线上购物simplexml_load_string()错误的位置

I have a really annoying problem. I was doing some alterations to Magento shop when I ran into simplexml_load_string() error, it is clear to me that this error is caused by some bad XML file, but the very important question to me is which file and where is it located? This is the error message I receive, I was never very good at understanding these console type messages, can someone please help me?I have a really annoying problem. I was doing s