issue twice insert

app/Http/Controllers/SmartUpdateController.php

@@ -271,8 +271,7 @@ class SmartUpdateController extends Controller
                 $conditionColumn = 'exdate';
                 $conditionValue = $MONTH;
                 $additionalColumns = [
-                    'amenddate' => $UPDATECODE,
-                    'usrname' => ''
+                    'amenddate' => $UPDATECODE
                 ];
                 $resultImport = static::generateInsertSQLWithCount($sourceTable, $destinationTable, $conditionColumn, $conditionValue, $additionalColumns);
                 $serverchk  = $resultImport["total"];