TS2744: Type parameter defaults can only reference previously declared type parameters.

This is a reference entry from TypeScript diagnosticMessages.json. A full explanation with fixes has not been written yet.

The error message

Type parameter defaults can only reference previously declared type parameters.

As listed by TypeScript diagnosticMessages.json

{0}, {1} and so on are filled in by the compiler.

Different error? Paste it

or press Cmd/Ctrl + Enter. The text is only sent to this site to match it.

Source: TypeScript diagnosticMessages.json. Data fetched 2026-09-25T01:43:12.674Z.