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Get Last Error Help

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Posted on by test2031_

Hi all,

Does anyone know how to resolve if my get last error message is "No ErrorError"? The functions that I've used currently is "On block error" and "Get Last Error" to complete data entry on website based on my excel data.

When I log the error details onto excel, if there's a true error, it'll reflect the name, the location and the index of the action that failed, the subflow that contains this action, and the details and the message of the action. However, for excel rows subsequent to the row that encountered an error, flow runs correctly with no error, but power automate still logs an error with details "No ErrorError".

Is there a way to debug this? Or is there a reason why it is showing up as "no ErrorError"?

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Power Automate Desktop

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Michael E. Gernaey 53,970 Super User 2026 Season 2 on at

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Hi

Resolve what? what does that mean? Do you mean you got an error and you checked LastError and it was useless information?

Where is your code so we can see what you are doing
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eetuRobo 4,607 Super User 2026 Season 2 on at

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Sounds like your flow will always do the Get last error -action even if there were no error. So if you have Get Last error -action for example as a first action in the flow it will return "No Error" value.

So either put the Get last error -action inside if statement that checks if error happened and only then retrieve the last error details with Get last error -action. So inside your OnBlock add set variable "ErrorHappened" to True

Then have the Get Last error inside if condition that checks that ErrorHappened -variable.

Or have a check before writing into excel that LastError.Location actually has a value:
test2031_ 11 on at

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Thank you so much! The step "set variable" <assign to variable ErrorHappened the value False> works and it solved my issue. Thank you so much!