Help debugging a 400 error with smal admin ajax call wordpress

Job ID: 33029243

Budget: $10 – $30 AUD

I have a small admin ajax call in Wordpress that searches a custom db table for a partial match to a string and then either returns nothing or returns the result and I am getting a 400 error, I'm hoping some can help me debug on chrome remote desktop or similar
Related categories: PHP AJAX WordPress MySQL jQuery