Please run PS config wizard on APP+WFE servers to repair the farm, then check if the issue still exists.
Per my research, currenlty the workaround to fix the issue is that reboot the server or do iisreset.
Similar issue for your reference:
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II have upgraded the CU Patch and ran Config Wizard, will update you after monitoring the application for 2-3 days
Thank you !
@alok paul ,
I’m checking how the things are going on about this issue. Whether the post helps you?
You can accept the post as answer if it helps.
Thank you for your understanding and support.