Yes its coming when I am using submit action provided in forms.  I have replaces http://localhost to 127.0.0.1 the path where i wan to post in the form. Still this issue is there. No client side customization is done on the form

29.08.2023 13:36:22.582 *WARN* [127.0.0.1 [1693296382578] POST /content/forms/af/dataTestForm HTTP/1.1] org.apache.sling.servlets.post.impl.SlingPostServlet Exception while handling POST on path [/content/forms/af/dataTestForm] with operation [org.apache.sling.servlets.post.impl.operations.ModifyOpe...