phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd640f1d5aa2cbe4e08d4c1a41d46e49a' 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 ('d640f1d5aa2cbe4e08d4c1a41d46e49a', -1, 1715805441, 1715805441, '0d3bb04e', 11, 0, 0)

Line : 187
File : sessions.php