mybb_sessions crashed and need repaired

[zhihao]

error info is

Code:

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
    145 - Table './tests/mybb_sessions' is marked as crashed and should be repaired
Query:
    SELECT * FROM mybb_sessions WHERE sid='df61d039ab5d004dcafabfe0e136252b' AND ip='183.17.230.93' LIMIT 1