PHP Fatal error: Uncaught PDOException: SQLSTATE[40001]

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Hi all,

I’m using Centreon version 21.10.14, the OS is Centos 7 and the database MariaDB. 

I see the following message in /var/log/php-fpm/centreon-error.log

PHP Fatal error:  Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /usr/share/centreon/www/class/centreonDB.class.php:263

I can’t find any references of this error message and I’m wondering what the root cause is.

From time to time my system stops showing any data and I’m starting to debug the issue, could please help me to fix it?

Thank you in advance!

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