phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1788639f2ed2bb469f7580274999f547' 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 ('1788639f2ed2bb469f7580274999f547', -1, 1742273757, 1742273757, '12bf2047', 5, 0, 0)

Line : 187
File : sessions.php