Appreciate your response @ismcagdas. We'll let you know how you go. It has probably given us the push we needed anyway to upgrade to Zero v13
Not sure why it was marked as closed - reopened.
We saw it again today and it was the same setup:
We were able to fix it for that particular user by removing the User role allocation from that user, than adding it back.
Hi @ismcagdas
We're running the app as a single instance (one database, one instance running the backend).