Code
T1003 unknown-option
A definition, a type or a part of one states an option that it does not have. The finding names the option and the nearest real one.
Details
It is found for an option of a word, for an option of a type that the type does not take where it stands, as unique on an input or a default on a vector, and for an option of a kind of worker and of a call of a service. The type checker refuses the same option where the definition is written in TypeScript.
The fix
Write the option that was meant, or take the unknown one out. The pages topic.words and topic.types list what each word and each type takes.