Description of problem:
Can't open the edit page of external tracker bugs in administration

Version-Release number of selected component (if applicable):
4.4.5024-1

How reproducible:
Always

Steps to Reproduce:
1. After upgrade from 4.4.5023-5 to 4.4.5024-1
2. Log in as admin, access below link(administration -> external tracker -> click any component)
https://bzweb01-qe.app.eng.rdu.redhat.com/page.cgi?id=externalbugs/edit.html&tracker_id=50
https://bzweb01-qe.app.eng.rdu.redhat.com/page.cgi?id=externalbugs/edit.html&action=new
3.

Actual results:
Error : 500

Expected results:
Open page successfully.

Additional info:
error log:
[Fri Aug 08 05:50:51 2014] [error] Error loading type module: ModPerl::Util::exit: (120000) exit was called at /var/www/html/bugzilla/Bugzilla/Error.pm line 146Compilation failed in require at (eval 1482) line 3, <DATA> line 187.\n
[Fri Aug 08 05:50:57 2014] [error] Error loading type module: ModPerl::Util::exit: (120000) exit was called at /var/www/html/bugzilla/Bugzilla/Error.pm line 146Compilation failed in require at (eval 1927) line 3, <DATA> line 187.\n
[Fri Aug 08 05:51:44 2014] [error] Error loading type module: ModPerl::Util::exit: (120000) exit was called at /var/www/html/bugzilla/Bugzilla/Error.pm line 146Compilation failed in require at (eval 2422) line 3, <DATA> line 187.\n