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Service randomly crashing - System.InvalidOperationException: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool.

I have noticed an instance of PSU im hosting will randomly crash with the following error in the event logs Application: Universal.Server.exe CoreCLR Version: 7.0.222 ...
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After every wakeup: System.InvalidOperationException:

System.InvalidOperationException: Collection was modified after the enumerator was instantiated. at System.ThrowHelper.ThrowInvalidOperationException (ExceptionResource resource) ...