Message Severity Levels and Compiler Response

The following table shows the compiler response associated with each level of message severity.

Letter	Severity	Compiler Response
I	Informational	Compilation continues. The message reports conditions found during compilation.
W	Warning	Compilation continues. The message reports valid, but possibly unintended, conditions.
E	Error	Compilation continues and object code is generated. Error conditions exist that the compiler can correct, but the program might not run correctly.
S	Severe error	Compilation continues, but object code is not generated. Error conditions exist that the compiler cannot correct.
U	Unrecoverable error	The compiler halts. An internal compiler error has been found. This message should be reported to your IBM service representative.