BOOLSIDEFFECT, Extrinsic ($$), External call ($&) or $INCREMENT() with potential side effects in Boolean expression
Compile Time Warning: This optional message, accompanied by a line and column pointing to the issue, indicates a Boolean expression that contains a side effect in a term other than its first. By default, GT.M may skip evaluating such terms.
Action: Revise the code to your standards and use the VIEW (arguments [NO]FULL_BOOLEAN or FULLBOOL_WARN) command and / or the environment variable (gtm_boolean) to select the appropriate setting for GT.M handling of this construct.
