phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '80d78d24a71ef36fe0f0ac00f7a7f0bf' 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 ('80d78d24a71ef36fe0f0ac00f7a7f0bf', -1, 1788874368, 1788874368, 'd849d8cc', 2, 0, 0)

Line : 187
File : sessions.php