Critical Incident - Single Sign On - "Sorry, but we're having trouble signing you in.", Error
Affected: Fourth Platform & Single Sign On
Fourth Outage History
Fourth is up right nowFourth had 16 outages in the last 2 years totaling 4533h 38m of downtime — averaging 0.7 incidents per month.
There were 16 Fourth outages since October 9, 2025 totaling 4533h 38m of downtime. Each is summarised below — incident details, duration, and resolution information.
Singe Sign On Degraded Access Impacting Mobile Apps
Affected: Mobile AppsPlatform & Single Sign-onOrdering (Marketplace)Fourth Platform & Single Sign OnFourth App
Timeline · 6 updates
- investigating Sep 16, 2026, 09:22 AM UTC
Good Morning, We have been made aware of an issue with our Single Sign On solution. Currently, users are seeing a "We are down for maintenance" message when accessing or using this solution. Our partner is aware of this and actively working to resolve. More updates will be provided as they become available.
- investigating Sep 16, 2026, 10:17 AM UTC
Our IDP provider has informed us of the following. We're no longer pursuing restarts as a path to remediation. Customers continue to experience severe delays, intermittent errors, and inability to access some services and support case creation. More updates will be provided as they become available.
- investigating Sep 16, 2026, 12:05 PM UTC
Our IDP provider has informed us of the following. A fleetwide rollout is in progress and customers are starting to see their service return to normal. In parallel, we're working on a code-level permanent fix. The rollout is progressing region by region and we're seeing improvement. We don't have a confirmed time of completion. Customers may continue to experience severe delays, intermittent errors, and inability to access some services and support case creation.
- monitoring Sep 16, 2026, 02:50 PM UTC
Our IDP provider have advised the following: We've completed the next phase of the rollout to the remaining impacted instances. We continue to manually restart instances where the automated fix didn't fully resolve the issue. Customers who are affected may continue to experience severe delays, intermittent errors, and inability to access some services and support case creation. Internally, our alerting is mostly stable and our OE team have not seen and endpoint down for over an hour. As such we will move into monitoring. This concludes the updates.
- monitoring Sep 16, 2026, 02:52 PM UTC
Our IDP provider have advised the following: We've completed the next phase of the rollout to the remaining impacted instances. We continue to manually restart instances where the automated fix didn't fully resolve the issue. Customers who are affected may continue to experience severe delays, intermittent errors, and inability to access some services and support case creation. As such we will move into monitoring. This concludes the updates.
- resolved Sep 17, 2026, 11:01 AM UTC
This incident has been resolved.
P2 - HR & Team Hours - Disruption to Service
Affected: HR (UK)Scheduling (Labour Productivity)
Timeline · 6 updates
- investigating Sep 12, 2026, 11:23 AM UTC
We are aware of an issue with our People System that is impacting customers ability to access this system. In addition, we believe this is impacting associated services to Team Hours. We are continuing to investigate to determine the root cause of the issue. Status and updates will be provided as they become available. We apologise for this disruption to your service.
- investigating Sep 12, 2026, 12:25 PM UTC
We are aware of an issue with our People System that is impacting customers ability to access this system. In addition, we believe this is impacting associated services to Team Hours. We are continuing to investigate to determine the root cause of the issue. Status and updates will be provided as they become available. We apologise for this disruption to your service.
- investigating Sep 12, 2026, 01:02 PM UTC
We are aware of an issue with our People System that is impacting customers ability to access this system. In addition, we believe this is impacting associated services to Team Hours. We are continuing to investigate to determine the root cause of the issue. Status and updates will be provided as they become available. We apologise for this disruption to your service.
- investigating Sep 12, 2026, 02:02 PM UTC
We are aware of an issue with our People System that is impacting customers ability to access this system. In addition, we believe this is impacting associated services to Team Hours. We are continuing to investigate to determine the root cause of the issue. Status and updates will be provided as they become available. We apologise for this disruption to your service.
- monitoring Sep 12, 2026, 02:37 PM UTC
Our teams have implemented a solution and are seeing signs of recovery We are confident the actions taken have resolved the issue. Monitoring of the People System and Team Hours will continue to ensure full stability. Thank you for your patience and will confirm once the incident is fully resolved.
- resolved Sep 12, 2026, 04:52 PM UTC
We are confident that our solution has resolved this incident. This will conclude the updates to the status page regarding this outage however a formal Incident Report will be posted here as soon as possible. We greatly apologise for this disruption.
Fourth Email Disruption
Affected: AnalyticsApplicant Tracking System (ATS)EngageHR (UK)Scheduling (Labour Productivity)PayrollFnB (Stock Live)Inventory (Stock R9)Ordering (Marketplace)Purchase to Pay (Tradesimple)Purchasing and Inventory (Adaco)Recipes and Menus (StarChef)Fourth Platform & Single Sign OnESSFourth AppTeam Hours 3rd PartyTeam Hours StandaloneEpartsiQ Web App and Action Service
Timeline · 5 updates
ADVISORY - Fuego - Draw Errors
Affected: Fuego App
Timeline · 6 updates
- investigating Sep 03, 2026, 05:22 PM UTC
We are aware of an issue affecting Fuego activity and Mastercards. Earned wage access (EWA) draws, tip payouts (TPO) and transfers from the Fuego Card could be impacted. If you are experiencing any issues please try to use an alternate method of payment for this type of activity. We are currently in communication with our banking partner in an attempt to resolve this as quickly as possible and will keep this status updated as soon as there is more information available.
- investigating Sep 03, 2026, 05:24 PM UTC
We are aware of an issue affecting Fuego activity and Mastercards. Earned wage access (EWA) draws, tip payouts (TPO) and transfers to MasterCard could be impacted. If you are experiencing any issues please try to use an alternate method of payment for this type of activity. We are currently in communication with our banking partner in an attempt to resolve this as quickly as possible and will keep this status updated as soon as there is more information available.
- investigating Sep 03, 2026, 06:17 PM UTC
UPDATE: We are aware of an issue affecting Fuego activity. Earned wage access (EWA) draws, tip payouts (TPO) and transfers from the Fuego Card to payment cards are currently unavailable. Transfers to bank accounts and other transaction types are currently unaffected. We are currently in communication with our banking partner in an attempt to resolve this as quickly as possible and will keep this status updated as soon as there is more information available.
- investigating Sep 03, 2026, 06:36 PM UTC
UPDATE: We are aware of an issue affecting Fuego activity. Earned wage access (EWA) draws and transfers from the Fuego Card to payment cards are currently unavailable. Transfers to bank accounts and other transaction types are currently unaffected. We are currently in communication with our banking partner in an attempt to resolve this as quickly as possible and will keep this status updated as soon as there is more information available.
- investigating Sep 03, 2026, 06:49 PM UTC
UPDATE: We are aware of an issue affecting Fuego activity. Earned wage access (EWA) draws, tip payouts (TPO) and transfers from the Fuego Card to payment cards may be affected. Transfers to bank accounts and other transaction types are currently unaffected. We are currently in communication with our banking partner in an attempt to resolve this as quickly as possible and will keep this status updated as soon as there is more information available.
- resolved Sep 04, 2026, 06:51 AM UTC
This incident has been resolved.
P1 - People System - Unable to Login
Affected: HR (UK)Payroll
Timeline · 3 updates
- investigating Aug 21, 2026, 03:42 PM UTC
We are aware of a critical incident that may be affecting some of our customers. This is incident is currently being investigated to determine the root cause of the issue. Status and updates will continue here every 30 minutes until the incident has been resolved. We apologise for this disruption to your service.
- monitoring Aug 21, 2026, 04:15 PM UTC
We are observing signs of recovery and are monitoring the situation closely. A further update will be posted once the issue is fully resolved. We apologise for any disruption to your service.
- resolved Aug 21, 2026, 05:06 PM UTC
We are confident that the issue has been resolved and customers are now able to login to People System. We apologise for this disruption to your service.
P1 - Inventory - Unable to Login
Affected: Inventory (Stock R9)
Timeline · 4 updates
- investigating Aug 13, 2026, 01:21 PM UTC
We are aware of a critical incident that may be affecting some of our customers. This is incident is currently being investigated to determine the root cause of the issue. Status and updates will continue here every 30 minutes until the incident has been resolved. We apologise for this disruption to your service.
- investigating Aug 13, 2026, 01:51 PM UTC
We are starting to see early signs of recovery and customers may be able to now access the system. We will provide further updates as they become available. Status and updates will continue here every 30 minutes until the incident has been resolved. We apologise for this disruption to your service.
- monitoring Aug 13, 2026, 02:06 PM UTC
We believe that the issue has been resolved and customers are now able to login to Inventory. The next update will be provided upon confirmation of resolution. We apologise for this disruption to your service.
- resolved Aug 16, 2026, 06:25 PM UTC
This incident has been resolved.
P1 - Single Sign On - Unable to Login to Fourth
Affected: EngageMobile AppsInventory (Stock R9)Ordering (Marketplace)Fourth Platform & Single Sign On
Timeline · 5 updates
- investigating May 28, 2026, 04:58 PM UTC
We are aware of a critical incident that may be affecting some of our customers using our Single Sign On platform. When trying to login, users are met with errors. This will also impact our customer's ability to access connected apps. This is incident is currently being investigated to determine the root cause of the issue. Status and updates will continue here every 30 minutes until the incident has been resolved. We apologise for this disruption to your service.
- investigating May 28, 2026, 05:31 PM UTC
We are continuing to investigate to determine the root cause of the issue. Status and updates will continue here every 30 minutes until the incident has been resolved. We apologise for this disruption to your service.
- investigating May 28, 2026, 05:57 PM UTC
We are exploring multiple avenues of investigation and are seeing signs of recovery We are continuing to work towards identifying the root cause. Status and updates will continue here every 30 minutes until the incident has been resolved. We apologise for this disruption to your service.
- monitoring May 28, 2026, 06:31 PM UTC
We are confident the issue is no longer present and that customers are now able to login successfully. We are continuing to provide an extended period of monitoring to confirm success. The next update will be provided upon confirmation of resolution. We apologise for this disruption to your service.
- resolved Jun 05, 2026, 11:43 AM UTC
This incident has been resolved.
P1 - Macromatix - Unable to Login
Affected: Macromatix Core
Timeline · 13 updates
Customer Success Portal - Unable to Submit Customer Requests
Affected: AnalyticsPhone SystemHotSchedules Web ApplicationInventoryApplicant Tracking System (ATS)Help Centre & ChatHotSchedules Mobile ApplicationPurchasing & Inventory (Adaco)EngageRecipe & Menu Engineering (Starchef)HotSchedules Forecast ManagerHR (UK)Labour ProductivityHotSchedules Real-Time DashboardScheduling (Labour Productivity)HotSchedules Train (Schoox)Mobile AppsMacromatix CorePayrollPlatform & Single Sign-onMacromatix MobileFnB (Stock Live)Integration Data processingAnalyticsInventory (Stock R9)US HR and PayrollFourth Platform & Single Sign OnOrdering (Marketplace)AnalyticsiQ Web App and Action ServicePurchase to Pay (Tradesimple)Macromatix CorePurchasing and Inventory (Adaco)Macromatix MobileRecipes and Menus (StarChef)Macromatix Forecast ManagerFourth Platform & Single Sign OnMacromatix Real-Time DashboardInventoryESSLabor ProductivityFourth AppRecipe & Menu EngineeringTeam Hours 3rd PartyPurchasing & Inventory (Adaco)Team Hours StandalonePurchase to Pay (Tradesimple)EpartsFuego Admin TooliQ Web App and Action ServiceFuego AppPeoplematteriQ Web App and Action ServiceTip Pooling
Timeline · 3 updates
- identified Apr 15, 2026, 09:43 AM UTC
We understand that customers are experiencing issues raising tickets to us through our Customer Success Portal. The issue has been identified and we are currently working to restore access. Further updates will be provided as the situation progresses. In the meantime, we kindly ask that you contact Fourth using the number most relevant to your query using the link below https://uk.fourth.com/support/customer-support PLEASE NOTE: We also ask that you do not attempt to contact us via email as those methods have been retired and are not monitored, thank you.
- monitoring Apr 15, 2026, 10:00 AM UTC
UPDATE: We can confirm that a fix has been implemented and the Customer Success Portal is now functioning as expected. Should you continue to experience issues raising tickets via the Customer Success Portal, please call and let us know. We sincerely apologise for the inconvenience this has caused.
- resolved Apr 16, 2026, 11:43 AM UTC
This incident has been resolved.
Zendesk Security Update: Sign-in Now Required for Support Requests
Timeline · 2 updates
- monitoring Mar 06, 2026, 09:11 PM UTC
On March 9, Fourth will implement an update to the Customer Success Portal in alignment with enhanced security requirements. Users will be required to log in before submitting a support ticket. There is no expected impact to service availability or performance. Support continues to operate normally; only the login requirement for submitting a ticket is changing. For more details — including what this means for your experience and how to create or access your portal account — please see our announcement here: Zendesk Security Update: Sign-in Now Required for Support Requests https://help.hotschedules.com/hc/en-us/articles/44077614528909-Zendesk-Security-Update-Sign-in-Now-Required-for-Support-Requests
- resolved Aug 13, 2026, 02:30 PM UTC
This incident has been resolved.
P1 - FnB- Unable to Login
Affected: FnB (Stock Live)
Timeline · 3 updates
- investigating Nov 13, 2025, 12:14 PM UTC
We are aware of a critical incident that may be affecting some of our customers. This is incident is currently being investigated to determine the root cause of the issue. Status and updates will continue here every 30 minutes until the incident has been resolved. We apologise for this disruption to your service.
- monitoring Nov 13, 2025, 12:22 PM UTC
We have now implemented a solution and are currently monitoring for completeness. The next update will be provided upon confirmation of resolution. We apologise for this disruption to your service.
- resolved Nov 14, 2025, 10:46 AM UTC
This incident has been resolved.
P1 - Systems Inaccessible
Affected: AnalyticsHotSchedules Web ApplicationApplicant Tracking System (ATS)HotSchedules Mobile ApplicationEngageHotSchedules Forecast ManagerHR (UK)HotSchedules Real-Time DashboardScheduling (Labour Productivity)HotSchedules Train (Schoox)PayrollPlatform & Single Sign-onFnB (Stock Live)Integration Data processingInventory (Stock R9)US HR and PayrollOrdering (Marketplace)AnalyticsPurchase to Pay (Tradesimple)Macromatix CorePurchasing and Inventory (Adaco)Macromatix MobileRecipes and Menus (StarChef)Macromatix Forecast ManagerFourth Platform & Single Sign OnMacromatix Real-Time DashboardInventoryESSLabor ProductivityFourth AppRecipe & Menu EngineeringTeam Hours 3rd PartyPurchasing & Inventory (Adaco)Team Hours StandalonePurchase to Pay (Tradesimple)EpartsFuego Admin ToolFuego AppPeoplematter
Timeline · 11 updates
NOTICE TO CUSTOMERS - Single Sign On
Affected: AnalyticsApplicant Tracking System (ATS)EngageHR (UK)Scheduling (Labour Productivity)PayrollFnB (Stock Live)Inventory (Stock R9)Ordering (Marketplace)Purchase to Pay (Tradesimple)Purchasing and Inventory (Adaco)Recipes and Menus (StarChef)Fourth Platform & Single Sign OnESSFourth AppTeam Hours 3rd PartyTeam Hours StandaloneEparts
Timeline · 3 updates
- monitoring Oct 25, 2025, 06:37 AM UTC
As part of our ongoing commitment to security, Fourth is implementing a mandatory password reset for users of the Fourth Single Sign-On (SSO) platform. The next time you log in, you’ll be prompted to reset your password. Simply select “Forgot username or password” and follow the instructions to create a new one. This is a planned update — no action is required until your next login.
- monitoring Oct 27, 2025, 09:45 AM UTC
As part of our ongoing commitment to security, Fourth is implementing a mandatory password reset for users of the Fourth Single Sign-On (SSO) platform. The next time you log in, you will be informed your credentials are incorrect. Simply select “Forgot username or password” and follow the instructions to create a new one. This is a planned update — no action is required until your next login.
- resolved Oct 31, 2025, 05:32 PM UTC
This incident has been resolved.
ADVISORY: AWS Outage
Affected: AnalyticsPhone SystemHotSchedules Web ApplicationInventoryApplicant Tracking System (ATS)Help Centre & ChatHotSchedules Mobile ApplicationPurchasing & Inventory (Adaco)EngageRecipe & Menu Engineering (Starchef)HotSchedules Forecast ManagerHR (UK)Labour ProductivityHotSchedules Real-Time DashboardScheduling (Labour Productivity)HotSchedules Train (Schoox)Mobile AppsMacromatix CorePayrollPlatform & Single Sign-onMacromatix MobileFnB (Stock Live)Integration Data processingAnalyticsInventory (Stock R9)US HR and PayrollFourth Platform & Single Sign OnOrdering (Marketplace)AnalyticsPurchase to Pay (Tradesimple)Macromatix CorePurchasing and Inventory (Adaco)Macromatix MobileRecipes and Menus (StarChef)Macromatix Forecast ManagerFourth Platform & Single Sign OnMacromatix Real-Time DashboardInventoryESSLabor ProductivityFourth AppRecipe & Menu EngineeringTeam Hours 3rd PartyPurchasing & Inventory (Adaco)Team Hours StandalonePurchase to Pay (Tradesimple)EpartsFuego Admin ToolFuego AppPeoplematter
Timeline · 6 updates
Critical Issue - Mobile Apps - Intermittent Issues Accessing Mobile Apps
Affected: Mobile AppsOrdering (Marketplace)Fourth Platform & Single Sign OnESSFourth App