I' m trying to use the class-msgbox.php and I get the error 'class igtkwindow not found'. I did not make any changes to the code. I just found the sample of how to place it in your code and I followed it. What am I doing wrong? I just want to ask the user if they want to delete, for sure, before I delete the record. I didn't change the message yet because I want to make sure it was working before I customize it to my needs.