the insert page has 2 problems:
1) The proof file name and product ID columns in the database have spaces in the name, this is not valid for naming database columns.
2) the proof file name and product ID Form elements on the page have spaces in the name. this is not valid for naming form elements.
On the delete page, move this code at line 81 - 84:
<?php require_once( "../WA_Globals/WA_Globals.php" ); ?>
<?php require_once('../Connections/PowerStoreConnection.php'); ?>
<?php require_once("../WA_DataAssist/WA_AppBuilder_PHP.php"); ?>
<?php require_once('../WA_CMS/WA_CMS.php'); ?>
to line 1