phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac6a78bce142c114897c55f50215b193' 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 ('ac6a78bce142c114897c55f50215b193', -1, 1714380892, 1714380892, '03812d5c', 2, 0, 0)

Line : 187
File : sessions.php