phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './myforum/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 ('0f3f2839aa919fd2e63eafa4a933d0f3', -1, 1793188552, 1793188552, 'd849d8f8', 3, 0, 0)

Line : 187
File : sessions.php