I was investigating why a flow didn't run. I went to the flow and although it was turned on, it showed no history. I edited the flow to verify that I was looking at the right flow. When I clicked on the back arrow to go back out to the flow definition, I got a null flow error:
Time: "2023-01-17T15:57:18.566Z"
Server/Client Correlation ID: 1e0608fb-3221-444e-bc10-dfa0fa909f1c
x-ms-client-request-id (Client->Backend Request Header): 037f35ce-76e8-4487-a75c-9e3dff93d052
x-ms-correlation-request-id (Backend Response Header): c278103e-b2e7-4b1a-b657-2192f3ca0f08
Error: Could not find flow 'null'.