phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6783c909c16a9bc31c0a3eb48ec7638f' 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 ('6783c909c16a9bc31c0a3eb48ec7638f', -1, 1713567991, 1713567991, '03836ea9', -10, 0, 0)

Line : 187
File : sessions.php