phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table '.\forum\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 ('52f1c2e3887ea4117d30499b98185460', -1, 1508343556, 1508343556, '365183bd', 2, 0, 0)

Line : 187
File : sessions.php