Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1422188

Description of problem:
[BUG] Editing Smart Class parameters using Internet Explorer fails with Internal Server Error

Version-Release number of selected component (if applicable):
Satellite 6.2.7

How reproducible:

Steps to Reproduce:
1. Using Internet Explorer navigate to Satellite WebUI ---> Configure ---> Smart Class Parameters ---> Edit Parameter
2. We get an Internal Server Error during Submit

Actual results:
Internal Server Error

> /var/log/httpd/foreman-ssl_error_ssl.log <
[Thu Feb 09 15:45:58.976065 2017] [ssl:warn] [pid 15664] [client 10.XXX.XXX.XXX:56226] AH02227: Failed to set r->user to 'SSL_CLIENT_S_DN_CN', referer: https://XXX/puppetclass_lookup_keys?utf8=%E2%9C%93&search=sshd
[Thu Feb 09 15:45:59.001294 2017] [core:error] [pid 15664] [client 10.XXX.XXX.XXX:56226] End of script output before headers: puppetclass_lookup_keys, referer: https://XXX/puppetclass_lookup_keys?utf8=%E2%9C%93&search=sshd > /var/log/httpd/foreman-ssl_access_ssl.log <
10.XXX.XXX.XXX - - [09/Feb/2017:15:45:58 +0000] "POST /puppetclass_lookup_keys/446-ciphers HTTP/1.1" 500 531 "https://XXX/puppetclass_lookup_keys?utf8=%E2%9C%93&search=sshd" "Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko"

Expected results:
The changes should be saved.

Workaround:
1. Use a different browser (FF or Chrome)

2. Open the parameter for edit in a separate tab, not in the list itself. This can be done either by clicking the middle mouse button on the link, or by right clicking on the link and selecting "Open in new tab"