Measurement Computing Micro 488/EX rev.2.1 - Manual (Page 106)

Section 5 Command Descriptions
5.36
ERROR
The ERROR command enables or disables automatic reporting of the
Micro488/EX error messages on command completion. ERROR MESSAGE enables
error message string reporting, ERROR NUMBER enables error message number
reporting and ERROR OFF disables it. ERROR OFF is the default condition.
While Macros are executing, error reporting is suspended until Macro
completion.
SYNTAX ERROR[;]{MESSAGE|NUMBER|OFF}
RESPONSE None
MODE Any
BUS STATES None
EXAMPLES PRINT#1,"ERROR OFF" Disable error message reporting.
PRINT#1,"ERROR MESSAGE" Enable error message reporting.
PRINT#1,"ERROR NUMBER" Enable error number reporting.