The following error occurred
example.png - The uploaded file is too large for the server to process.
That file is 33k. PHP upload limit is set at 50M.
We have been able to upload since the very beginning.
We have not made any changes to Apache/ PHP / xenForo.
xenForo upload limit is still set at 1024k, we have not changed that.
No errors in Apache logs, or php logs.
We are on latest xenForo version.
PHP 5.3.5 / Apache 2.2.17