phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b3ff8661fa1ef9fac017e33cff7bb9ed' for key 'PRIMARY'

INSERT INTO gk_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b3ff8661fa1ef9fac017e33cff7bb9ed', -1, 1714319776, 1714319776, '0390faa9', -9, 0, 0)

Line : 187
File : sessions.php