phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3919dbfffc2e4ac75639d94c6f18a2c3' for key 'PRIMARY'

INSERT INTO phpbb_fastsessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3919dbfffc2e4ac75639d94c6f18a2c3', -1, 1715185971, 1715185971, '340e554c', 0, 0, 0)

Line : 187
File : sessions.php