phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dhabih_i428php/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 ('9e335e6b6b1730df3590b6b87a9e7eba', -1, 1417167878, 1417167878, '36ccda5f', 4, 0, 0)

Line : 187
File : sessions.php