phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '617a16e1804306542d07c9b5d86d0acb' 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 ('617a16e1804306542d07c9b5d86d0acb', -1, 1715702324, 1715702324, '1276ab39', -1, 0, 0)

Line : 187
File : sessions.php