MySQL Error 4156 – ER_CANT_CHANGE_SYS_VAR_IN_READ_ONLY_MODE MySQL 13 Views 0 Min Read MySQL Error Message Cannot change the ‘%s’ system variable in read-only mode. Reason for the Error ER_CANT_CHANGE_SYS_VAR_IN_READ_ONLY_MODE was added in 8.0.32. Related admin November 12, 2024
