# SOURCE_METADATA_INVALID: Invalid taggor.json or package.json

> Invalid taggor.json or package.json

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| Severity | Fault                         | Stage          |
| -------- | ----------------------------- | -------------- |
| error    | customer (the source package) | source package |

## What it means

The taggor.json or the package.json at the root of the source package is not valid: not JSON, too large or too deeply nested, an own **proto** key, or a field the format does not accept (taggor.json takes only $schema and entry; package.json dependencies map package names to version ranges).

## How to fix

Fix the file at the field the message names, or leave taggor.json out: without it the entry is src/index.tsx (or .ts, .jsx, .js).