Confusing errors when referencing wrong type name in makeExtendSchemaPlugin
### Summary

If referencing a non-existing type in a makeExtendSchemaPlugin plugin that targets just one entity, this results in a cascade of exceptions on every subsequent entity

### Steps to reproduce

See https://discord.com/channels/489127045289476126/1296863704364879902/1297218564876406947

### Expected results

Only 1 exception on the affected entities

### Actual results

Exceptions on all subsequent entities

### Additional context
\
(https://discord.com/channels/489127045289476126/1296863704364879902/1297218564876406947)

### Possible Solution

