phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '12b574856c9291df0ec2a24ed1dd9d96' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('12b574856c9291df0ec2a24ed1dd9d96', -1, 1741605252, 1741605252, '12dadffc', -4, 0, 0)

Line : 187
File : sessions.php