phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8a559c1426556c48f74bddfdd0fcbf0c' 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 ('8a559c1426556c48f74bddfdd0fcbf0c', -1, 1715772299, 1715772299, '039001e6', -6, 0, 0)

Line : 187
File : sessions.php