invalid_type | A string where a number was expected, an object where an array was, and so on. |
invalid_value | Not one of the values the field accepts. |
invalid_format | The right type, in the wrong shape — a date, a UUID, a URL. |
too_small | Below a minimum: a number, a length, or a count. |
too_big | Above a maximum: a number, a length, or a count. |
not_multiple_of | A number that is not a permitted step. |
unrecognized_keys | A field this contract does not accept. field names it. |
invalid_union | None of the shapes the field may take matched. |
invalid_key | A key in a map-shaped field was not accepted. |
invalid_element | An entry in a collection-shaped field was not accepted. |
custom | A rule specific to this contract — a cross-field constraint, usually. |
invalid | The validator gave no rule name. Read field and the schema. |
currency_mismatch | An amount in a currency the listing is not priced in. Amounts are never converted. |
duplicate_value | The same entry appears twice where each may appear once. |
unsupported_param_kind | The value this quick action takes is of a kind this contract does not publish. |
unavailable | Names something real that has since been withdrawn and can no longer be set. |
unknown_template | Names a template that is not currently published. Stop sending that key until it is. |