ERR_PROCESS_BUILDER on Salesforce: Process Builder error. Root cause: A Salesforce Process Builder automation triggered by the API operation has encountered an error. The Process Builder action may be failing due to invalid field values, missing required fields on related records, or a governor limit being hit during the process execution. Step 1: Check process criteria. Review process logic Step 2: Check actions. Verify action configuration Step 3: Review logs. Check process execution logs Step 4: Debug process. Test with sample data