Register String in single quotes gives Fatal Error, cannot add trunks

I was fiddling trying to get registration string correct for my SIP provider and I ran into this problem.

A Google search revealed someone else with exactly the problem. The solution was to upgrade the FreePBX, however my version is far past the version suggested by this post.

http://bugs.elastix.org/view.php?id=1412

Any advice on how to get past this is appreciated.
Thanks

My FreePBX version is 2.11.0.32

I don’t see any corresponding FreePBX bug related to this.

If you can create a bug report someone can try to reproduce and resolve this.