phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5afd07de20b914b8ced9b80a6fb09170' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5afd07de20b914b8ced9b80a6fb09170', -1, 1772162655, 1772162655, 'd849d851', -4, 0, 0)

Line : 187
File : sessions.php