Failure to import questionnaire to Headquarters

Dear Survey Solutions team,

I tried to import a questionnaire, but received a couple of different error messages. “Fail to import questionnaire to Headquarters”, “Incorrect user or password”, etc. I ran heath diagnostics on my server and the status is “healthy”. Can you advise the cause for this problem and the solution to this problem?

Thank you very much!

Dear @PPP ,
Could you please verify importing the same questionnaire on the Demo server?

@PPP , what does the error log say?