phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a0847c2053f53b95dac4afb738580f0b' 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 ('a0847c2053f53b95dac4afb738580f0b', -1, 1715596689, 1715596689, '0311af15', -4, 0, 0)

Line : 187
File : sessions.php