Thu, 09 Apr 2026 21:57:58 +0000 https://bugs.horde.org/ticket/7463 mailbox list caching not working properly After upgrading to Webmail edition 1.2, every time I change the page I see by e.g. deleting or moving a message, I get the following type of error: Warning: array_diff() [function.array-diff]: Argument #2 is not an array in /var/www/ssldocs/horde/imp/lib/IMAP/MessageCache.php on line 652 Warning: Invalid argument supplied for foreach() in /var/www/ssldocs/horde/imp/lib/IMAP/MessageCache.php on line 652 When that happens, the page shown also has formatting errors. I have all caching options in IMP and horde enabled with default values for TTL, etc. and use the memcache driver. Someone on the list has the same behaviour, so I opened this ticket. Thu, 09 Oct 2008 13:39:13 +0000 https://bugs.horde.org/ticket/7463#t49545 hello! i just wanted to say, that i've got exactly the same problem here after upgrading to v1.2. upgrade-process finished without any errors. - wolfgang Fri, 10 Oct 2008 16:34:44 +0000 https://bugs.horde.org/ticket/7463#t49575 This was already fixed by Jan. Fri, 10 Oct 2008 16:43:12 +0000 https://bugs.horde.org/ticket/7463#t49577 > This was already fixed by Jan. This version fixed it for me. * $Horde: imp/lib/IMAP/MessageCache.php,v 1.1.2.11 2008/10/07 09:26:30 jan Exp $ Mon, 20 Oct 2008 19:01:34 +0000 https://bugs.horde.org/ticket/7463#t49854