https://www.icyphoenix.com/viewtopic.php?f=35&t=2389&p=17191#p17191
-----------------------------------
omarska
Sun 01 Jul, 2007 12:53

Re: How Change Of Server Phoenix Phpbb
-----------------------------------
Remove [b]templates/common/acp[/b] dir, and reupload it again from the package. Make sure that CHMOD for this dir is at least 755. 
And you must not remove cache directory, only files in it. Also make sure that cache dir has CHMOD777. After these steps resync forums again in DB Maintenance.
Check permissions on [b]includes/def_themes.php[/b], [b]includes/def_tree.php[/b] and [b]includes/def_words.php[/b], they should be CHMOD666.
You may also try to reupload these 3 files fresh from the package (but backup your old ones first), an set correct CHMOD to them.

Keep us posted

[ot]I modified your post a little. When you post images, use [img] tag, do not add it as attachment[/ot]