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PERROR(1) MySQL Database System PERROR(1) NAME perror - display MySQL error message information SYNOPSIS perror [options] errorcode ... DESCRIPTION perror displays the error message for MySQL or operating system error codes. Invoke perror like this: perror [options] errorcode ... perror attempts to be flexible in understanding its arguments. For example, for the ER_WRONG_VALUE_FOR_VAR error, perror understands any of these argu- ments: 1231, 001231, MY-1231, or MY-001231, or ER_WRONG_VALUE_FOR_VAR. $> perror 1231 MySQL error code MY-001231 (ER_WRONG_VALUE_FOR_VAR): Variable '%-.64s' can't be set to the value of '%-.200s' If an error number is in the range where MySQL and operating system errors overlap, perror displays both error messages: $> perror 1 13 OS error code 1: Operation not permitted MySQL error code MY-000001: Can't create/write to file '%s' (OS errno %d - %s) OS error code 13: Permission denied MySQL error code MY-000013: Can't get stat of '%s' (OS errno %d - %s) To obtain the error message for a MySQL Cluster error code, use the ndb_perror utility. The meaning of system error messages may be dependent on your operating system. A given error code may mean different things on different operating systems. perror supports the following options. * --help, --info, -I, -? Display a help message and exit. * --ndb Print the error message for a MySQL Cluster error code. This option was removed in MySQL 8.0.13. Use the ndb_perror utility in- stead. * --silent, -s Silent mode. Print only the error message. * --verbose, -v Verbose mode. Print error code and message. This is the default behavior. * --version, -V Display version information and exit. COPYRIGHT Copyright (C) 1997, 2026, Oracle and/or its affiliates. This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/. SEE ALSO For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/. AUTHOR Oracle Corporation (http://dev.mysql.com/). MySQL 8.0 03/23/2026 PERROR(1)
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