issue error sql primary duplicate

app/Http/Controllers/SmartUpdateController.php

@@ -283,7 +283,6 @@ class SmartUpdateController extends Controller
                 $serverchk  = $resultImport["total"];
                 $SQL2 = $resultImport["sql"];
             }
-
             $patchCode = $patchDetails->PATCHCODE;
             $patchCode =  str_replace('updatePatchFile("$$file_name_0", "$$file_data_0");', '', $patchCode);
 
@@ -584,7 +583,6 @@ class SmartUpdateController extends Controller
                 'sql' => ''
             ];
         }
-
         $dbType = config('database.default');
         $quoteL = $dbType === 'sqlsrv' ? '[' : '`';
         $quoteR = $dbType === 'sqlsrv' ? ']' : '`';
@@ -593,17 +591,21 @@ class SmartUpdateController extends Controller
 
         foreach ($rows as $row) {
             $values = [];
-
+           
             foreach ((array)$row as $column => $value) {
                 $escapedValue = str_replace("'", "''", $value);
 
                 if ($escapedValue === '0000-00-00 00:00:00') {
                     $escapedValue = '2000-01-01 00:00:00';
                 }
-
-                $values[] = "'$escapedValue'";
+              
+                if ($column == 'amenddate') {
+                    $values[] = "'" . $additionalColumns['amenddate'] . "'";
+                 
+                } else {
+                    $values[] = "'$escapedValue'";
+                }
             }
-
             $columns = array_keys((array)$row);
 
             $quotedColumns = array_map(fn($col) => $quoteL . $col . $quoteR, $columns);