phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0a171f20dec6001dd0f23eb065e8f855' 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 ('0a171f20dec6001dd0f23eb065e8f855', -1, 1716252963, 1716252963, '12767e0b', 11, 0, 0)

Line : 187
File : sessions.php