A parameter on the GLOBAL or READ statement numbered "num" exceeded the maximum permissible length.

SYMBOLIC PARM NAMES MUST BE ALPHANUMERIC WITH THE FIRST CHARACTER ALPHABETIC

A GLOBAL, READ, READDVAL, or SET statement numbered "num" contained invalid characters.

NEW PARMS DEFINED ON THE READ(DVAL) STMT CANNOT EXCEED 31 CHARACTERS

An implicit definition of a symbolic variable on a READ or SET statement numbered "num" exceeds 31 characters.