Error Message on MAT Sites

Major incident MAT MIS
2026-09-18 06:10 BST · 4 hours, 9 minutes

Updates

Investigating

We’re continuing to investigate the error messages that users are encountering on MAT sites.

We’re very sorry for any disruption caused and are working on this as an urgent priority.

September 18, 2026 · 09:20 BST
Investigating

We are aware that some customers on MAT sites are encountering an error message on their Arbor site.

We sincerely apologise for the disruption this is causing. Our engineering team are currently working on a fix to resolve the issue. We will post our next update as soon as we have more information.

September 18, 2026 · 08:30 BST

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