EDM name validation failed for value *******

Hi Experts,

I want to create gateway service.

I import two parameter to function and export a value.

Firstly I try mapping data query operation but I couldnt succed.Because I get error "no output table is mapped in the query operation".

Then I try to mapping data read operation then, I create funcion import and EXECUTE_ACTION redefination.

But I get error "EDM name validation failed for value *******"

Plss help me,