NOTE: If your Mod hangs at "Parsing mod data file, row:16" or similar
If you're using a mod folder, it needs to have a getimages.php in it.
Even if your mod doesn't use images, it still needs this file, and the default content of said file should be.
Otherwise you'll likely find the game hangs with a message like this.
Note: this is different from an ERROR message.
Hope this helps, had my head scratching for ages as at no point does the documentation mention you NEED TO HAVE a getimages.php file.
Might want to update that.