[horde] Unable to locate the tz database

[Per olof Ljungmark]

Horde 5.2.1
Kronolith 4.2.2

The following error is logged when syncing calendars via CalDAV:

HORDE: [kronolith] Unable to locate the tz database. [pid 31107 on line
729 of "/usr/local/www/horde/kronolith/lib/Event.php"]

with DEBUG:


Sep 21 12:40:39 <local3.debug> webmail HORDE: [kronolith]
Horde_HashTable_Memcache: Retrieved keys
(horde:history:kronolith:_Zm2C1DejoL0EWYsj5t1sg2:15D7E401-A7DD-4B47-8C6D-16C1D0CDE4A8)
[pid 67499 on line 233 of "/usr/local/share/pear/Horde/HashTable/Base.php"]
Sep 21 12:40:39 <local3.debug> webmail HORDE: [kronolith]
Horde_HashTable_Memcache: Non-existent keys
(horde_timezone,horde_timezone_t) [pid 67499 on line 240 of
"/usr/local/share/pear/Horde/HashTable/Base.php"]
Sep 21 12:40:39 <local3.debug> webmail HORDE: SQL  (0,0002s)   	SELECT
id_interface FROM horde_dav_collections WHERE id_external = 	
'calendar:8zg_EyXQcX0p71KDzfEPFA1' [pid 68119 on line 208 of
"/usr/local/share/pear/Horde/Db/Adapter/Pdo/Base.php"]
Sep 21 12:40:39 <local3.warn> webmail HORDE: [kronolith] Unable to
locate the tz database. [pid 67499 on line 729 of
"/usr/local/www/horde/kronolith/lib/Event.php"]
Sep 21 12:40:39 <local3.debug> webmail HORDE: Horde_HashTable_Memcache:
Retrieved keys (perm_sql_exists_2kronolith,perm_sql_exists_2kronolith_t)
[pid 68119 on line 233 of "/usr/local/share/pear/Horde/HashTable/Base.php"]


horde_timezone,horde_timezone_t is not present in
Horde_HashTable_Memcache ? Should it be?

Thanks,

//per