How To Fix CNV20551749 - Blank entrie(s) were deleted from ALV

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 749

• Message text: Blank entrie(s) were deleted from ALV

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551749 - Blank entrie(s) were deleted from ALV ?

  The SAP error message CNV20551749, which states "Blank entry(ies) were deleted from ALV," typically occurs in the context of data conversion or migration processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This message indicates that the system has identified and removed blank entries from the ALV (ABAP List Viewer) output.
  Cause:
  
  Blank Entries: The primary cause of this error is the presence of blank or empty entries in the data set being processed. These entries do not contain any meaningful data and are therefore removed to ensure data integrity and clarity in the output.
  Data Quality Issues: The data being migrated or transformed may have quality issues, such as missing values or improperly formatted records, leading to the generation of blank entries.
  Configuration Settings: Certain settings in the data migration tool or ALV configuration may dictate how blank entries are handled, which can lead to their deletion.
  
  Solution:
  
  Data Validation: Before running the migration or transformation process, validate the source data to ensure that there are no blank entries. This can be done by running checks or using data profiling tools.
  Pre-processing: Implement pre-processing steps to clean the data. This may involve removing or filling in blank entries, ensuring that all required fields are populated.
  Review ALV Settings: Check the configuration settings of the ALV output to see if there are options to handle blank entries differently, such as displaying them instead of deleting them.
  Error Handling: Implement error handling in your data migration process to log and report any blank entries found, allowing for manual review and correction.
  Consult Documentation: Review SAP documentation or notes related to the specific migration tool you are using for any additional guidance on handling blank entries.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this specific error message.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, which often include data cleansing, validation, and transformation techniques.
  ALV Configuration: Understanding how to configure ALV reports can help in customizing the output to better suit your needs and handle blank entries more effectively.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with an SAP expert for further assistance.