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 ('48f8b228a13acf95f83ac65a000ccb3b', -1, 1414840768, 1414840768, '36c4775d', 3, 0, 0)

Line : 187
File : sessions.php