phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './mayashan_phpb1/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 ('de14d450b7eb6ee662e40d7f4337ccb0', -1, 1472402089, 1472402089, '36a215d6', 4, 0, 0)

Line : 187
File : sessions.php