# X_CORE_THROWER_PIN_STALE

## Means

a pinned uncalled core thrower now has a caller or no longer exists

## Typical cause

the slack would admit the next uncalled thrower beside it

## Fix

`bun run scripts/declaration-readers-callers.ts --json`   # after deleting its CORE_THROWER_PINS row

[CLI and verify](/error-codes#cli-and-verify)