Reply To: Issue with entering username to send message Home › Forums › Front End PM PRO › Issue with entering username to send message › Reply To: Issue with entering username to send message February 6, 2020 at 1:06 am #34158 Shamim HasanKeymaster Somehow wp-json is not working in your website. Do you use any security plugin? If yes, Please deactivate all of them, Then test. Then activate one by one. Also deactivate any custom code plugin if you have. Let me know.