Why do I get "Measure not applicable" error while using newly created measure in the KPI?

Why do I get "Measure not applicable" error while using newly created measure in the KPI?

There are various reasons for the newly created measure not to be applicable while publishing a KPI. Possible reasons are as follows: Measure is not created/defined properly. The character type is incorrect. If an expression measure is not applicable while publishing a KPI then, check for the possible causes as below: a) Measure ID should be prefixed with Table Name b) Check for the correctness of the expression