---
sourceDocument: Brazil Service Exchange
sourceDocumentLink: https://www.servicenow.com/docs/r/service-exchange

 Release :

    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil Service Exchange

ft:clusterId :

    - sebrdg

bundleId :

    - sebrdg

workflow :

    - Customer and Industry


---

# Known error code form

# Known error code form {#ariaid-title1}

Release version: Brazil  
Updated October 1, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
The known error code form defines a known Service Exchange error and controls whether the system fixes it automatically when a connection goes down.
{#se-known-error-code-form__table_kec_form__entry__2}

| Field | Description |
|-|-|
| Tier | Option that controls whether the system fixes the known error automatically when a connection goes down. * Automatic: The system runs the validation script and, if the error is detected, the mitigation script without admin action. * Supervised: The system doesn't fix the known error automatically. {#se-known-error-code-form__ul_tier} If the field is empty, the system doesn't fix the known error automatically. This field is read-only. For more information, see [Automatic mitigation for connection issues](https://www.servicenow.com/docs/VulTJsd83eGVIUlsKMaCRw "Automatic mitigation detects known connection errors and fixes them without administrator action when a Service Exchange connection goes down. You review the results in issue work notes and act when a fix fails."). |
| Validation script | Script that checks whether the known error is present on a connection. This field is read-only. |
| Mitigation script | Script that fixes the known error. The system runs it once when the validation script detects the error. This field is read-only. |
[Table 1. Known error code form]

{#se-known-error-code-form__table_kec_form}
**Related concepts**   

* [Automatic mitigation for connection issues](https://www.servicenow.com/docs/VulTJsd83eGVIUlsKMaCRw "Automatic mitigation detects known connection errors and fixes them without administrator action when a Service Exchange connection goes down. You review the results in issue work notes and act when a fix fails.")  
**Related reference**   

* [Automatic mitigations for known errors](https://www.servicenow.com/docs/VKg5JLqm6l9_NBJdqiawXw "Known errors with the Tier field set to Automatic are fixed without admin action when a Service Exchange connection goes down. Each fix changes specific records on your instance.")