Getting an Error on Post Action in Custom Connector Power Apps (Xero Connector)

[MBilal-079]

Hi, 

I'm trying to connect with Xero using a custom connector in Power Apps, I got the invoices in power apps but couldn't run the Post request operation to delete the invoice, API and connection are running perfectly because I tested the Post request Action in Custom Connector, there it is running fine, but in the App it is creating an error. 
The error is AuthenticationUnsuccessfull, but this error is not appearing in the Test of the custom connector. why in the App?

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Thanks 

Muhammad Bilal

[MBilal-079 · Accepted solution]

I fixed it, in my case the tenant-id was null when I call it from the App, that's why the error is "AuthenticationUnsuccessful". 

after giving the tenant-id it is running fine.