phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3999cc5f5905ba7aae256b2ff42b7b56' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3999cc5f5905ba7aae256b2ff42b7b56', -1, 1715801584, 1715801584, '1277789f', -4, 0, 0)

Line : 187
File : sessions.php