phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '51ef91c7d1a753a61f5e2669404bb4c9' 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 ('51ef91c7d1a753a61f5e2669404bb4c9', -1, 1715049573, 1715049573, 'c0a80201', -2119, 0, 0)

Line : 187
File : sessions.php