phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9712b211a00bbc43015864185f9e3da8' 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 ('9712b211a00bbc43015864185f9e3da8', -1, 1711628773, 1711628773, '365946a1', -4, 0, 0)

Line : 187
File : sessions.php