A fatal MySQL error occured.

Query:
SELECT session_data FROM pmd_v1_sessions WHERE id='471ec27a8ea20bdf3a7b1ccb6dfc45e3' AND http_user_agent='94082a50c352b78159112f3c522b5d0d' AND last_access > 1495738838

Error:
(145) Table './ppatete_directory/pmd_v1_sessions' is marked as crashed and should be repaired