I have enabled AJAX in moodle site.
Exists a problem when you add a label with dots in a course and you try to reorder it.
Steps to reproduce the error:
1) Enable AJAX
2) In a course, add a label with dots (HTML, <UL><LI>.....):
. Point 1
- Point 2
3) Try to reorder this.
resources[i].getEl() has no properties. Line: 850