Salesforce Common Errors Overview Quick reference for the most common Salesforce API errors with real error codes, messages, and solutions. Prerequisites - Salesforce connection established (jsforce or simple-salesforce) - Access to Setup in your Salesforce org - Familiarity with sObject field API names Instructions Step 1: Identify the Error Check the field in the API response or the exception from jsforce. Step 2: Match to Error Below --- INVALID LOGIN — Authentication Failed Cause: Wrong credentials or security token. Solution: --- INVALID FIELD — Wrong Field Name in SOQL Cause: Field API…