phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dc51b4bac0053fa325f6ec7e50c88896' 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 ('dc51b4bac0053fa325f6ec7e50c88896', -1, 1766962592, 1766962592, 'd849d89f', 4, 0, 0)

Line : 187
File : sessions.php