Occasional Error in Omeka Classic

Hello. I am seeing the following error in my log file for a site that is running Omeka 3.1 and PHP 8.1. I’m curious as to what might be causing it. Thx!. --Eric

[16-May-2023 12:54:54 UTC] PHP Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /home/ukscrcne/public_html/nkaa/application/libraries/Zend/Db/Select.php:665
Stack trace:
#0 /home/ukscrcne/public_html/nkaa/application/libraries/Omeka/Db/Table.php(408): Zend_Db_Select->limitPage(‘LAlib’, 10)
#1 /home/ukscrcne/public_html/nkaa/application/libraries/Omeka/Db/Table.php(279): Omeka_Db_Table->applyPagination(Object(Omeka_Db_Select), 10, ‘LAlib’)
#2 /home/ukscrcne/public_html/nkaa/application/controllers/helpers/Db.php(59): Omeka_Db_Table->findBy(Array, 10, ‘LAlib’)
#3 /home/ukscrcne/public_html/nkaa/application/libraries/Omeka/Controller/AbstractActionController.php(135): Omeka_Controller_Action_Helper_Db->__call(‘findBy’, Array)
#4 /home/ukscrcne/public_html/nkaa/application/controllers/ItemsController.php(180): Omeka_Controller_AbstractActionController->browseAction()
#5 /home/ukscrcne/public_html/nkaa/application/libraries/Zend/Controller/Action.php(516): ItemsController->browseAction()
#6 /home/ukscrcne/public_html/nkaa/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch(‘browseAction’)
#7 /home/ukscrcne/public_html/nkaa/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#8 /home/ukscrcne/public_html/nkaa/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(106): Zend_Controller_Front->dispatch()
#9 /home/ukscrcne/public_html/nkaa/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#10 /home/ukscrcne/public_html/nkaa/application/libraries/Omeka/Application.php(73): Zend_Application->run()
#11 /home/ukscrcne/public_html/nkaa/index.php(23): Omeka_Application->run()
#12 {main}
thrown in /home/ukscrcne/public_html/nkaa/application/libraries/Zend/Db/Select.php on line 665