InvoicePlane wont save or create new quotes

Uncaught SyntaxError: Unexpected token <
(anonymous function) @ 3:355
i                                   @ jquery-1.12.0.min.js:2
j.fireWith                      @ jquery-1.12.0.min.js:2
y                                  @ jquery-1.12.0.min.js:4
c                                  @ jquery-1.12.0.min.js:4

Wont let me save an existing quote.
When i click create new quote it just logs me out?

Any help? ive updated and still have issue.

Change to chrome at started work like normal.
then i pulled out of debug mode and its gone back to how it was on opera.