phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '81df3f204779e5f093dc5dccbd7a1ab3' 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 ('81df3f204779e5f093dc5dccbd7a1ab3', -1, 1714204639, 1714204639, '038bee4c', -10, 0, 0)

Line : 187
File : sessions.php