phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b21a4aa7bfec6a0d420371d8a5d9b497' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b21a4aa7bfec6a0d420371d8a5d9b497', -1, 1714646091, 1714646091, '12bdb44c', -4, 0, 0)

Line : 187
File : sessions.php