phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a6b2fb3ab0339f84025db51d0be510cf' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a6b2fb3ab0339f84025db51d0be510cf', -1, 1715891606, 1715891606, '0391d0b3', -4, 0, 0)

Line : 187
File : sessions.php