phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '668e91259c1addbccb8d52bcf8e93e11' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('668e91259c1addbccb8d52bcf8e93e11', -1, 1766533233, 1766533233, 'd849d803', -4, 0, 0)

Line : 187
File : sessions.php