Unhandled runtime error. Help!

[Osama575]

Unhandled Runtime Error
Error: [line: 5] field 'name' is not defined in 'PostAuthor': {"response":{"errors":[{"message":"[line: 5] field 'name' is not defined in 'PostAuthor'"}],"data":null,"extensions":{"requestId":"cl6q906fv1ekg0b1ba0bv1437"},"status":400,"headers":{"map":{"cache-control":"private, no-store","content-length":"147","content-type":"application/json"}}},"request":{"query":"\n query GetCategoryPost() {\n posts(where: {featuredPost: true}) {\n author {\n name\n photo {\n url\n }\n }\n featuredImage {\n url\n }\n title\n slug\n createdAt\n }\n } \n "}}