Phorum Database Error

Sorry, a Phorum database error occurred.
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Error:

Incorrect key file for table './forums/phorum_spamhurdles.MYI'; try to repair it (126): DELETE FROM phorum_spamhurdles WHERE expire_time < 1427667615

Backtrace:

Function phorum_database_error called at
{path to Phorum}/include/db/mysql/mysqli.php:190
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Function phorum_db_interact called at
{path to Phorum}/mods/spamhurdles/db.php:136
----
Function spamhurdles_db_remove_expired called at
{path to Phorum}/mods/spamhurdles/spamhurdles.php:40
----
Function phorum_mod_spamhurdles_common called
----
Function call_user_func_array called at
{path to Phorum}/common.php:1572
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Function phorum_hook called at
{path to Phorum}/common.php:846
----
Function include_once called at
{path to Phorum}/read.php:21
----