phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ad86566307d4720e1e74424049a88cab' 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 ('ad86566307d4720e1e74424049a88cab', -1, 1714391537, 1714391537, '0390e652', -8, 0, 0)

Line : 187
File : sessions.php