1) The like entry cannot be processed client side since it uses a recordset, it can only be processed server side.
the Validation Show if you added for showing the server validation message is set to trigger on the required validation for the pin, you should change it to trigger on the Like entry validation instead.
2) The behaviors on the page are set to use a button named "SimpleContact_submit". By changing the name of the submit button, you are breaking the behaviors. instead of: