phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b1978211c415320afe9cbb3c780a227d' 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 ('b1978211c415320afe9cbb3c780a227d', -1, 1714058103, 1714058103, '03910cf2', 2, 0, 0)

Line : 187
File : sessions.php