How To Fix CNV_NCE_BAS158 - NR interval &1: target subobject is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 158

• Message text: NR interval &1: target subobject is empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS158 - NR interval &1: target subobject is empty ?

  The SAP error message CNV_NCE_BAS158 with the description "NR interval &1: target subobject is empty" typically occurs during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of a data migration project.
  Cause:
  This error generally indicates that there is an issue with the target data structure where the system expects certain data to be present, but it finds that the target subobject is empty. This can happen due to several reasons:
  
  Missing Data Mapping: The source data may not have been correctly mapped to the target structure, leading to empty fields in the target.
  Configuration Issues: The target structure may not be properly configured to accept the incoming data.
  Data Integrity Issues: There may be integrity constraints that are not being met, causing the target subobject to remain empty.
  Incorrect Data Intervals: The NR interval specified may not correspond to any valid data in the source or target system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Mapping: Review the mapping of source data to the target structure. Ensure that all necessary fields are correctly mapped and that there are no missing mappings.
  
  
  Validate Configuration: Ensure that the target subobject is correctly configured in the system. This includes checking any necessary settings or parameters that might affect data loading.
  
  
  Review Data Integrity: Check for any data integrity issues that might prevent the target from being populated. This includes ensuring that all required fields in the target structure are being filled appropriately.
  
  
  Examine NR Intervals: Verify that the NR interval specified in the error message corresponds to valid data in the source system. If the interval is incorrect, adjust it accordingly.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or known issues that can help you troubleshoot.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like SE11, SE80, or LTMC) to analyze the data structures and mappings involved in the migration process.
  
  
  Check Logs: Review any logs generated during the migration process for additional context or details that might help identify the root cause of the issue.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CNV_NCE_BAS158 error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Data Migration Tools: Familiarize yourself with the specific data migration tools and methodologies being used, as they may have unique requirements or configurations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.