How To Fix /NFM/CA661 - Different coverage customer and coverage customer must not be the same

/NFM/CA661 - Overview

• Message type: E = Error

• Message class: /NFM/CA -

• Message number: 661

• Message text: Different coverage customer and coverage customer must not be the same

Self-Explanatory Message

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/NFM/CA661 - Details

• The SAP error message /NFM/CA661 indicates that there is a mismatch between the coverage customer and the different coverage customer in the context of contract management or service management. This error typically arises when the system expects these two entities to be distinct but finds that they are the same.
  
  Cause:
  
  Configuration Issue: The system is configured to require that the coverage customer (the customer who is covered under a service or warranty) and the different coverage customer (the customer who is responsible for the coverage) must be different entities.
  Data Entry Error: During the creation or modification of a contract, service order, or warranty, the same customer may have been mistakenly entered in both fields.
  Business Logic: The business process may dictate that these two customers should not be the same due to specific contractual obligations or service agreements.
  
  
  Solution:
  
  Check Data Entry: Review the entries for the coverage customer and the different coverage customer.