Phorum Database Error

Sorry, a Phorum database error occurred.
Please try again later!

Error:

Index phorum_messages is corrupted (1712): SELECT * FROM phorum_messages WHERE message_id = '38142' LIMIT 1

Backtrace:

Function phorum_database_error called at
{path to Phorum}/include/db/mysql/mysqli.php:212
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Function phorum_db_interact called at
{path to Phorum}/include/db/mysql.php:1344
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Function phorum_db_get_message called at
{path to Phorum}/read.php:890
----
Function phorum_check_moved_message called at
{path to Phorum}/read.php:867
----
Function require_once called at
/usr/home/urban2/htdocs/forum.php:65
----