Thread:Project:Support desk/Warning: wfMkdirParents: failed to mkdir mode 511 in wiki/includes/GlobalFunctions.php on line 2536/reply (4)

Thanks, but who owns /thumb/ and /d2 ? What user does the webserver run as? If /d2 is not owned by that user, then the errors make sense. Maybe try chmoding /d2 to 777?