phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1ad454b48c0c93602057f89cc640c67' 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 ('a1ad454b48c0c93602057f89cc640c67', -1, 1715296174, 1715296174, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php