Merge branch '4944-monitor-insert-error-surface' into ai_server

Author: connortechnology

web/includes/actions/monitor.php

@@ -308,7 +308,9 @@
         }
         ZM\AuditAction('create', 'monitor', $mid, 'Name: '.($newMonitor['Name'] ?? ''));
       } else {
-        ZM\Error('Error saving new Monitor.');
+        $dbError = $monitor->get_last_error();
+        $error_message .= 'Error saving new Monitor: '.($dbError ? $dbError : 'unknown database error').'<br/>';
+        ZM\Error('Error saving new Monitor: '.$dbError);
         return;
       }
     }