the metadata could not be determined because statement 'exec(@Exec sql)' contains dynamic SQL, Consider using the WITH RESULT SETS clause to explicitly describe the result set

Hi,
After upgrading SQL Server from 2008r2 to 2016, I'm getting the below listed error.

the metadata could not be determined because statement 'exec(@Exec sql)' in procedure 'spXYZABC'contains dynamic SQL, COnsider using the WITH RESULT SETS