phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4b79037f5bc3b83c97ec155742c7bba' 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 ('a4b79037f5bc3b83c97ec155742c7bba', -1, 1715893704, 1715893704, '0d3b1253', -8, 0, 0)

Line : 187
File : sessions.php