phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6150d5e3a837c308ee536c8ca05cd855' 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 ('6150d5e3a837c308ee536c8ca05cd855', -1, 1769948860, 1769948860, 'd849d822', -4, 0, 0)

Line : 187
File : sessions.php