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 ('b09dec6f5da1bea5006a4878bb5a0c69', -1, 1414843093, 1414843093, '36ea4a55', -4, 0, 0)

Line : 187
File : sessions.php