Update 2020_04_17_155932_add_role_id_to_users.php

Author: amiryousefi

src/Database/migrations/2020_04_17_155932_add_role_id_to_users.php

@@ -30,7 +30,7 @@ public function up()
     public function down()
     {
         Schema::table('users', function (Blueprint $table) {
-            $table->dropForeign('role_id');
+            $table->dropForeign(['role_id']);
             $table->dropColumn('role_id');
         });
     }