refac: 에러 핸들링 방식 변경, FatalError 대응

hwe/j_msg_get_recent.php

@@ -24,7 +24,7 @@ if(count($lastMsgGet) >= 10){
         }
         array_shift($lastMsgGet);
     }
-    catch(\Exception $e){
+    catch(\Throwable $e){
         $lastMsgGet = [];
     }
 }