VT8.2.0: Fatal error: Uncaught Error: Call to undefined method Monolog\Handler\StreamHandler::getLogLevel()

On PHP8.3. Not quite sure what the issue is here but getLogLevel() doesn't exist anywhere in Monolog according to grep...

 Fatal error: Uncaught Error: Call to undefined method Monolog\Handler\StreamHandler::getLogLevel() in /var/www/html/vt820/modules/Vtiger/helpers/Logger.php:93 
 Stack trace: 
 #0 /var/www/html/vt820/include/database/PearDatabase.php(373): MonologLoggerEx->isDebugEnabled() 
 #1 /var/www/html/vt820/vtlib/Vtiger/Functions.php(161): PearDatabase->pquery() 
 #2 /var/www/html/vt820/vtlib/Vtiger/Functions.php(199): Vtiger_Functions::getBasicModuleInfo() 
 #3 /var/www/html/vt820/include/utils/CommonUtils.php(60): Vtiger_Functions::getModuleId() 
 #4 /var/www/html/vt820/include/utils/VTCacheUtils.php(107): getTabid() 
 #5 /var/www/html/vt820/include/utils/utils.php(425): VTCacheUtils::lookupFieldInfo_Module() 
 #6 /var/www/html/vt820/modules/Users/Users.php(143): getColumnFields() 
 #7 /var/www/html/vt820/data/CRMEntity.php(60): Users->__construct() 
 #8 /var/www/html/vt820/includes/main/WebUI.php(46): CRMEntity::getInstance() 
 #9 /var/www/html/vt820/includes/main/WebUI.php(104): Vtiger_WebUI->getLogin() 
 #10 /var/www/html/vt820/index.php(26): Vtiger_WebUI->process() 
 #11 {main} thrown in /var/www/html/vt820/modules/Vtiger/helpers/Logger.php on line 93