I test with set my storage account with allow access from selected networks instead of allow access from all networks, but the "List blobs" action shows "Forbidden" error, it doesn't show the error message Please check your account infor......
which you mentioned in your question.
But when I create the storage connection manually with incorrect infor(such as a wrong storage name), it shows same error message with yours.
Unlike your situation, the error message shows when I create the connection in my side but shows in you "List blobs" action. I'm not sure which way did you create the logic app and the storage connection in logic app, so please check if you provide the correct info when you create the logic app and the storage connection.
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