XF 1.1 Upload error


Well-known member
I can upload everything just fine, but another one of my admins gets this error when uploading an image as attachment in a thread or in the XF albums add-on:

The following error occured:

undefined (and then the filename)

Any ideas what this could be?
Well that error is very descriptive. :cautious:

Anything more specific in the log?

Admin CP -> Tools -> Server Error Log

It could be a lack of write access in data and internal_data. If you have shell access then try running these commands to recursively set permissions in those directories:

chmod -R 777 data

chmod -R 777 internal_data

You might also try 755 permissions. Depending on how PHP is installed, 755 may still be writable. I have seen some server configurations throw errors with 777.
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