Why does Yandex Webmaster give an error when checking RSS for turbo pages?

Question

RSS

When connecting RSS to J.Webmaster, it gives an error during validation:

p. 11
pos. 76

"The entity "raquo" was referenced, but not declared."

RSS: https://pascalworld.tk/feed/turbo/

Answer 1

Type in humanly "" alt + 0171 alt + 0187 respectively
Instead
PascalWorld » Лента —> PascalWorld » Лента
of Although the site is on Word Press. Probably won't come out.