phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './private_phpb1/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 ('14e1dcaed8373bb0969dc53759bd0e8e', -1, 1414149417, 1414149417, '36d34484', 3, 0, 0)

Line : 187
File : sessions.php