REQUIRED_FIELD_MISSING

What does this error mean?

This error occurs when a record is inserted or updated without providing a value for a field marked as Required in Salesforce.

Required fields can be defined at the field level, through validation rules, or as mandatory fields in certain Salesforce standard objects. Salesforce enforces these constraints to ensure important data is always captured. ([salesforceben.com](https://www.salesforceben.com/common-salesforce-errors-and-how-to-solve-them/?utm_source=chatgpt.com))

Common Causes

1. Missing required field in Apex

Apex code attempts to insert a record without setting required fields like Name, LastName, or StageName.

2. Required field in page layout

The field is configured as required in the page layout or object configuration.

3. Integration missing fields

External integrations or API calls attempt to create records without including mandatory fields.

4. Validation rules enforcing required values

A validation rule may require certain fields under specific conditions.

How to Fix It

Solution 1 — Populate required fields in Apex

Account acc = new Account(
    Name = 'Test Account'
);

insert acc;

Solution 2 — Verify required fields in Object Manager

Navigate to:

Setup → Object Manager → Fields & Relationships

Solution 3 — Update integration payload

{
  "Name": "Test Account",
  "Industry": "Technology"
}