undeclared_field

The write carries a field the collection's file doesn't declare; the message names it, with an example.

Status: HTTP 400 · Data

What happened

The write carries a field the collection's file doesn't declare; the message names it, with an example.

What to do

Declare it under "fields" in gemmein/collections/<name>.json.

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• undeclared_field in the error table
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• Data: what happens if…
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