Keysight RP7970 Serie Manuel D'utilisation page 258

5 SCPI Programming Reference
-150 String data error
Generic string data error
-151 Invalid string data
An invalid character string was received. Check that the string is enclosed in quotation marks.
-158 String data not allowed
A character string was received, but is not allowed for this command.
-160 Block data error
Generic block data error
-161 Invalid block data
The number of data bytes sent does not match the number of bytes specified in the header.
-168 Block data not allowed
Data was sent in arbitrary block format but is not allowed for this command.
Execution Errors (these errors set Standard Event Status register bit #4)
-200 Execution error
Generic syntax error
-220 Parameter error
A data element related error occurred.
-221 Settings conflict
A data element could not be executed because of the present instrument state.
-222 Data out of range
A data element could not be executed because the value was outside the valid range.
-223 Too much data
A data element was received that contains more data than the instrument can handle.
-224 Illegal parameter value
An exact value was expected but not received.
-225 Out of memory
The device has insufficient memory to perform the requested operation.
-226 Lists not same length
One or more lists are not the same length.
258 Keysight RP7970 & RP7980 Series Operating and Service Guide