Phorum Database Error

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Error:

Table './worldbook/phorum_event_logging' is marked as crashed and last (automatic?) repair failed (144): INSERT INTO phorum_event_logging (message, loglevel, category, source, details, datestamp, ip, vroot) VALUES ('PHP warning: session_start(): open(/var/lib/php/sessions/sess_4p5tim1ft8fbp75bnr6rj3ei76, O_RDWR) failed: No space left on device (28)', 2, 0, 'index', 'Message:\n\nPHP warning: session_start(): open(/var/lib/php/sessions/sess_4p5tim1ft8fbp75bnr6rj3ei76, O_RDWR) failed: No space left on device (28)\n\nPHP warning generated at /mnt/storage/www/forum/include/api/user.php:1784\n\nBack trace:\n\nFunction session_start called at\n{path to Phorum}/include/api/user.php:1784\n----\nFunction phorum_api_user_set_active_user called at\n{path to Phorum}/include/api/user.php:2769\n----\nFunction phorum_api_user_session_destroy called at\n{path to Phorum}/include/api/user.php:2623\n----\nFunction phorum_api_user_session_restore called at\n{path to Phorum}/common.php:606\n----\nFunction include_once called at\n{path to Phorum}/index.php:24\n----\n\nRequest info:\n\nHTTP_HOST = www.worldbook.pl\nREQUEST_URI = /forum/\n', 1620887817, '3.236.118.225', 0)

Backtrace:

Function phorum_database_error called at
{path to Phorum}/include/db/mysql/mysqli.php:212
----
Function phorum_db_interact called at
{path to Phorum}/mods/event_logging/db.php:249
----
Function event_logging_writelog called at
{path to Phorum}/mods/event_logging/event_logging.php:258
----
Function phorum_mod_event_logging_error_handler called
----
Function session_start called at
{path to Phorum}/include/api/user.php:1784
----
Function phorum_api_user_set_active_user called at
{path to Phorum}/include/api/user.php:2769
----
Function phorum_api_user_session_destroy called at
{path to Phorum}/include/api/user.php:2623
----
Function phorum_api_user_session_restore called at
{path to Phorum}/common.php:606
----
Function include_once called at
{path to Phorum}/index.php:24
----