phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a81fc0baf9c51675a5ecfadb5b99f47d' 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 ('a81fc0baf9c51675a5ecfadb5b99f47d', -1, 1714255091, 1714255091, '0390fda1', -8, 0, 0)

Line : 187
File : sessions.php