REQUIRED_FIELD_MISSING: Required fields are missing" salesforce error

TL;DR

A required field was left empty. The error names the field: populate it (or give it a default) and retry.

Error

REQUIRED_FIELD_MISSING: Required fields are missing: [AccountNumber]

Steps

1. Read the error for the missing field name Expected: you know what is required.
2. Populate the field in your payload Expected: it has a value.
3. Or set a default on the field if it is always the same Expected: future records are fine.
4. Re-run the operation Expected: it succeeds.

When to use

• REQUIREDFIELDMISSING
• A required field is empty

When not to use

• The field has a value (then check for whitespace-only strings)
• The requirement comes from a validation rule (then read the rule)

Tool compatibility

• Salesforce required fields
• Data loader inserts

Variant phrasings

required field missing salesforce

The error names the field. Populate it and retry.

REQUIREDFIELDMISSING

Same: fill the named field or set a default.

Why it happens

Page layouts and API requirements differ: a field optional in the UI can be required by automation. Agents fill what the UI shows.

Edge cases

• Universally required fields (like Name) cannot be made optional
• Record types can change which fields are required

Provenance

Resolved from the public thread: https://vectle.com/posts/pstNjKfr4svIpayQRstURvsg