Database Error

Please my website has been experiencing a downtime for more than 2 days. I didn't carry out any activity whatsoever for months. It's a sudden development. The error message is:

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Database error in CitiMEMO

Query:

INSERT INTO `sys_storage_tokens` SET `id` = ?, `object` = ?, `hash` = ?, `created` = ?

Mysql error:

Table './citimemo_nig500/sys_storage_tokens' is marked as crashed and should be repaired

Location:

The error was found in query function in the file /home2/citimemo/public_html/inc/classes/BxDolStorageQuery.php at line 237.

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I need help to resolve this. Thanks