NPC Plugin For Cacti

[aamibashir1]

I have installed the Cacti, Nagios, NPC and ndoutils.
Everionments:

OS: Ubuntu 64 bit
Cacti-1.2.27
nagios-4.4.6
npc-2.0.4
ndoutils-2.1.3
When click on NPC tab showing blank screen. While Facing these error in error log
Please help me to resolve this issue

Regards

2024-05-26 18:48:41 - CMDPHP PHP ERROR Backtrace: (/plugins/npc/npc.php[23]:include(), /plugins/npc/config.php[17]:Doctrine_Manager::connection(), /plugins/npc/lib/Doctrine/Manager.php[176]:Doctrine_Manager->openConnection(), /plugins/npc/lib/Doctrine/Manager.php[260]:Doctrine::autoload(), /plugins/npc/lib/Doctrine.php[952]:require(), /plugins/npc/lib/Doctrine/Connection/Mysql.php[34]:CactiErrorHandler())
2024-05-26 18:48:41 - ERROR PHP DEPRECATED in Plugin 'npc': Doctrine_Connection_Mysql implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in file: /var/www/html/cacti/plugins/npc/lib/Doctrine/Connection/Mysql.php on line: 34
2024-05-26 18:48:41 - CMDPHP PHP ERROR Backtrace: (/plugins/npc/npc.php[23]:include(), /plugins/npc/config.php[17]:Doctrine_Manager::connection(), /plugins/npc/lib/Doctrine/Manager.php[176]:Doctrine_Manager->openConnection(), /plugins/npc/lib/Doctrine/Manager.php[260]:Doctrine::autoload(), /plugins/npc/lib/Doctrine.php[952]:require(), /plugins/npc/lib/Doctrine/Connection/Mysql.php[34]:Doctrine::autoload(), /plugins/npc/lib/Doctrine.php[952]:require(), /plugins/npc/lib/Doctrine/Connection/Common.php[33]:CactiErrorHandler())

[TheWitness]

What PHP version? Log this on GitHub.

[aamibashir1]

Im using PHP8.1

[TheWitness]

Did you log the bug?