Thread:Project:Support desk/Warning: wfMkdirParents: failed to mkdir mode 511 in wiki/includes/GlobalFunctions.php on line 2536/reply (5)

They are both owned by the user. I CHMOD to 777 and it fixed the error. Why did the error happen only on the /d2 directory but not others? I don't want to have this error come up again and have to CHMOD each time. Thanks.