How To Fix NFE_CERTIFICATE002 - No implementation of the communication class was found.

SAP Error Message - Details

• Message type: E = Error

• Message class: NFE_CERTIFICATE - Certificate message class

• Message number: 002

• Message text: No implementation of the communication class was found.

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Ensure that SAP Note 2837704 is implemented in your system, then try
again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NFE_CERTIFICATE002 - No implementation of the communication class was found. ?

  The SAP error message NFE_CERTIFICATE002 indicates that there is no implementation of the communication class found for the specific functionality you are trying to use, typically related to the handling of electronic invoices or certificates in the context of the Nota Fiscal Eletrônica (NFE) in Brazil.
  Cause:
  
  Missing Implementation: The communication class that is supposed to handle the specific NFE functionality is not implemented in your SAP system.
  Configuration Issues: There may be configuration issues in the NFE settings that prevent the system from recognizing the communication class.
  Custom Development: If there is a custom implementation required for your specific business processes, it may not have been developed or activated.
  Version Compatibility: The version of the SAP system you are using may not support the required communication class for the NFE functionality.
  
  Solution:
  
  Check Communication Class: Verify that the communication class for NFE is correctly implemented in your system. You can do this by checking the relevant transaction codes (like SE80 or SE11) to see if the class exists and is active.
  Implement Missing Class: If the communication class is missing, you may need to implement it. This could involve creating a new class or enhancing an existing one to handle the required functionality.
  Review Configuration: Go through the NFE configuration settings in your SAP system. Ensure that all necessary settings are correctly configured, including the communication parameters.
  Consult Documentation: Refer to SAP documentation or notes related to NFE and electronic invoicing to ensure that you have followed all necessary steps for implementation.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as updates may include necessary fixes or enhancements related to NFE.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance specific to your system and configuration.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that address the NFE functionality and any known issues or fixes.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Documentation: Review the official SAP documentation for NFE and electronic invoicing to ensure compliance with local regulations and proper implementation.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.