phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c86da22f106a857842c027d5981daa8d' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c86da22f106a857842c027d5981daa8d', -1, 1757881186, 1757881186, 'd849d863', 4, 0, 0)

Line : 187
File : sessions.php