phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2c4f9dd46e25569cee2ab0d2f9db9c96' 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 ('2c4f9dd46e25569cee2ab0d2f9db9c96', -1, 1715008975, 1715008975, '12dc4080', 1, 0, 0)

Line : 187
File : sessions.php