A11514: Unhandled Exception error

Hi, Getting A11514: Unhandled Exception error error while opening a topic.

Read the following post on PTC portal, however, its not relevant in out case.

https://community.ptc.com/t5/forums/searchpage/tab/message?advanced=false&allow_punctuation=false&filter=location&location=forum-board:Arbortext&q=roboform

Attached the xml file that is causing the error.