Duplicate 1.2.1 - Conversations - Javascript Console Error

[CoreIssue]

When replying to a post in conversations or threads, we get the following. Checked on two different Admin's computers.

The following error occurred
The server responded with an error. The error message is in the JavaScript console.

Additional, the other admin reported this:
ErrorException: Fatal Error: syntax error, unexpected T_FUNCTION - library/XenForo/Mail.php:362
Generated By: Willy, 1 minute ago
Stack Trace
#0 [internal function]: XenForo_Application::handleFatalError('XenForo_Mail') #1 {main}
Request State
array(3) { ["url"] => string(105) "http://www.christiantalkzone.net/fo...ns/fresh-thread-on-progress.1470/insert-reply" ["_GET"] => array(1) { ["conversations/fresh-thread-on-progress_1470/insert-reply"] => string(0) "" } ["_POST"] => array(9) { ["message_html"] => string(80) "<p>Test ... tried to respond to another PM and got an error message ... <br></p>" ["_xfRelativeResolver"] => string(93) "http://www.christiantalkzone.net/forum/index.php?conversations/fresh-thread-on-progress.1470/" ["attachment_hash"] => string(32) "50cec15dc4f925c215bcc17087cfb45c" ["last_date"] => string(10) "1377049305" ["last_known_date"] => string(0) "" ["_xfToken"] => string(8) "********" ["_xfRequestUri"] => string(61) "/forum/index.php?conversations/fresh-thread-on-progress.1470/" ["_xfNoRedirect"] => string(1) "1" ["_xfResponseType"] => string(4) "json"

 

[JulianD]

I've seen similar reports about it.

 

[Jeremy]

You need to apply the patch:
http://xenforo.com/community/threads/xenforo-1-2-1-released.58022/#post-618539

 

[CoreIssue]

Looks like that fixed it. Thanks for the fix and the prompt response.