phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './for_adeviq/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a529bef5c6ac63f55a5f0e4e63650b74', -1, 1490554035, 1490554035, '36d37f59', -4, 0, 0)

Line : 187
File : sessions.php