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, session_admin) VALUES ('8c9cf8f3f75e7dcdffc6cbf124f98936', -1, 1771198751, 1771198751, '12610e57', 1, 0, 0)

Line : 187
File : sessions.php