Keysight B2961A/B2962A SCPI Command Reference, Edition 6 5- 7
Error Messages
Command Error
Error -161 Invalid block data
An invalid block data was received; for example, an END message was received
before the length was satisfied.
Error -168 Block data not allowed
A legal block data was received but was not allowed at this point.
Error -170 Expression error
An error was detected in an expression. This error is reported if B2961A/B2962A
cannot determine more specific errors -171 and -178.
Error -171 Invalid expression
The expression was invalid; for example, unmatched parentheses or an illegal
character.
Error -178 Expression data not allowed
An expression was received but was not allowed at this point.