phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tattooty_tatforums/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 ('c57a2d0ca2c1b7e0c412343b4e3e6a92', -1, 1409648609, 1409648609, '36ed200a', 8, 0, 0)

Line : 187
File : sessions.php