phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '50e6274cb14df5659bbb1bb6efe2813d' 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 ('50e6274cb14df5659bbb1bb6efe2813d', -1, 1771067288, 1771067288, 'd849d88a', -4, 0, 0)

Line : 187
File : sessions.php