phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './hail1602_phpbb1/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 ('50fb2e48117916e3775f045deb27ef5d', -1, 1471985991, 1471985991, '369f4411', -4, 0, 0)

Line : 187
File : sessions.php