JavaScript Release 2 error

Targets Web
1 
Could not execute returned javascript: 'null' is not an object (evaluating 'this.object().children')
Source: var langdir = document.getElementsByTagName('body')[0]; if(langdir) { langdir.removeAttribute('dir'); }
var langdir = document.getElementsByTagName('body')[0]; if(langdir) { langdir.setAttribute('lang','fr'); }

Back to release 1 resolve this bug.
This bug freezes the server.

Does anybody can give an indication to start looking in the code?

2

Well, that can’t be the whole error message because the item that’s causing the isn’t listed there. looks like you copied only the first 3 lines.

Please create a bug report in Feedback and provide the whole error and a sample project. Even if you just privately provide a link, it’ll be a start.