phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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) VALUES ('4d66051dac92234d6130ee77304eb8d1', -1, 1493052987, 1493052987, '36e06331', 1, 0)

Line : 158
File : sessions.php