@SeanKMcGinnis - just to clarify, both of the AGOL user accounts I tested on are in a single organization. I'm not sure if it's relevant but I just wanted to mention. The 225 layer count is for my personal user account, but the organization as a whole has around 450 layers total. The second user account I tested on has only one layer.
Following up on your suggestions:
1. Try to use the 'Get data from feature layer' action to see if that returns the list of feature layers in your organization.
This unfortunately still resulted in an error message that appears to be the same as the one I received previously. In addition to the below screenshot I am also pasting the entire text of the error message in the hope that it may be useful.
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Could not retrieve values. The dynamic invocation request failed with error: Unexpected error occurred when calling the ApiHubsRuntime API: 'Microsoft.Azure.ProcessSimple.Data.Entities.Exceptions.ProcessSimpleDataException: The ApiHubsRuntime API call failed with http status code 'GatewayTimeout' and response content '{
"error": {
"code": 504,
"source": "power-apis-usgov001-public.azure-apihub.us",
"clientRequestId": "98e36f30-2783-4a96-acbc-68379e35fe7d",
"message": "The response is not in a JSON format.",
"innerError": "<html>\r\n<head><title>504 Gateway Time-out</title></head>\r\n<body>\r\n<center><h1>504 Gateway Time-out</h1></center>\r\n</body>\r\n</html>\r\n"
}
}'
at Microsoft.Azure.ProcessSimple.Data.DataProviders.AzureResourceManagerDataProvider.<>c__DisplayClass52_0`2.<<CallAzureResourceManager>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.WindowsAzure.ResourceStack.Common.Algorithms.AsyncRetry.<Retry>d__3`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
at Microsoft.Azure.ProcessSimple.Data.DataProviders.AzureResourceManagerDataProvider.<CallAzureResourceManager>d__52`2.MoveNext()'.
2. Instead of picking the feature layer from the dropdown, paste the Item ID into the field and see if that will grab the layer and let you build the rest of the flow
This DOES work. I was able to successfully build and test a flow using this method. To be specific--it worked with the connector tied to my personal AGOL account with the 225 layers, which makes it a successful workaround for us going forward. Thanks so much for suggesting this option.