Problem:

How to suppress all Error messages of the compiler

Resolution:

The compiler directive WARNING specifies the lowest severity level of errors :

NOWARNIG  :

Unrecoverable and Severe messages are reported  

WARNING=1  : ( Default) Unrecoverable, Severe and Error  messages are reported  

( Error : error that the compiler has tried to correct)

WARNING=2  :  Unrecoverable, Severe, Error and Warning messages are reported

WARNING=3  :  Unrecoverable, Severe, Error , Warning and  Informational messages  are reported