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XF 1.2 Getting lots of Undefined variable: fileName errors in Server Error Logs

Today I have over a 100 of these errors in my server log errors section, any idea what they mean? It is a probe attempt? Thanks in advance.

Server Error Log
Error Info
ErrorException: Undefined variable: fileName - test.php:354
Generated By: Unknown Account, Sep 25, 2013
Stack Trace
#0 D:\wamp\www\antrim\test.php(354): XenForo_Application::handlePhpError(8, 'Undefined varia...', 'D:\wamp\www\ant...', 354, Array)
#1 D:\wamp\www\antrim\test.php(343): addavatars()
#2 {main}
Request State
array(3) {
["url"] => string(28) "http://antrim:60002/test.php"
["_GET"] => array(0) {
["_POST"] => array(0) {


XenForo developer
Staff member
test.php isn't a standard file. You'd need to see what added that -- it could be an add-on. It looks like a sizeable file. What do the first 20-30 lines look like?