Upstream bug:

https://bugs.php.net/bug.php?id=64987

Change 89243 had a related patch set uploaded by Krinkle:
exception: Account for $call['file'] and $call['line'] being unset

https://gerrit.wikimedia.org/r/89243

(In reply to comment #0)

Notice: Undefined index: file in /includes/Exception.php on line 725
Notice: Undefined index: line in /includes/Exception.php on line 725
Notice: Undefined index: file in /includes/Exception.php on line 725
Notice: Undefined index: line in /includes/Exception.php on line 725

MediaWiki 2000.0 required--this is only 1.22alpha

Backtrace:

#0 /extensions/VisualEditor/VisualEditor.hooks.php(23): wfUseMW('1.229wmf11')
#1 (): VisualEditorHooks::onSetup()
#2 /includes/Setup.php(592): call_user_func('VisualEditorHooks::onSetup')
#3 /includes/WebStart.php(153): require_once('/includes/Setup.php')
#4 /index.php(46): require('/includes/WebStart.php')
#5 {main}

New output after the patch:

#0 /extensions/VisualEditor/VisualEditor.hooks.php(23): wfUseMW('1.229wmf11')
#1 {internal}: VisualEditorHooks::onSetup()
#2 /includes/Setup.php(592): call_user_func('VisualEditorHooks::onSetup')
#3 /includes/WebStart.php(153): require_once('/includes/Setup.php')
#4 /index.php(46): require('/includes/WebStart.php')
#5 {main}

Change 89243 merged by jenkins-bot:
exception: Account for $call['file'] and $call['line'] being unset

https://gerrit.wikimedia.org/r/89243

• Bug 55479 has been marked as a duplicate of this bug. ***

Change 90067 had a related patch set uploaded by Dereckson:
Fixes stacktrace output when an internal function is called.

https://gerrit.wikimedia.org/r/90067

• Bug 55479 has been marked as a duplicate of this bug. ***

Change 90067 abandoned by Dereckson:
Fixes stacktrace output when an internal function is called.

Reason:
As the information isn't pertinent to the exception position.

https://gerrit.wikimedia.org/r/90067