phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '81a4fdc2ea78721390900a1ab58599e1' 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 ('81a4fdc2ea78721390900a1ab58599e1', -1, 1716305648, 1716305648, '12df881a', -1, 0, 0)

Line : 187
File : sessions.php