phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a789fbbd2ba6f9ef7ef780fe40063519' 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 ('a789fbbd2ba6f9ef7ef780fe40063519', -1, 1714221852, 1714221852, '12dafe7a', -4, 0, 0)

Line : 187
File : sessions.php