◄Up► ◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── Select a directive for more information. Directive Description .ERR Generates error if expression is true (nonzero) .ERRE Generates error if expression is false (zero) .ERRB Generates error if expression is blank .ERRNB Generates error if expression is not blank .ERRDEF Generates error if symbol is defined .ERRNDEF Generates error if symbol is not defined .ERRDIF Generates error if arguments are different .ERRIDN Generates error if arguments are identical See also: Relational Operators, Conditional Assembly Directives -♦-