TS1196: Catch clause variable type annotation must be 'any' or 'unknown' if specified.

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

The error message

Catch clause variable type annotation must be 'any' or 'unknown' if specified.

As listed by TypeScript diagnosticMessages.json

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

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Source: TypeScript diagnosticMessages.json. Data fetched 2026-09-25T01:43:12.669Z.