phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f6b9dac8ae4d02c69a49fc407e3f887f' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f6b9dac8ae4d02c69a49fc407e3f887f', -1, 1715744105, 1715744105, '12df85a9', 17, 0, 0)

Line : 187
File : sessions.php