How To Fix CNV481 - Phase &1 of predecessor &2 is different as phase &3 of successor &4

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 481

• Message text: Phase &1 of predecessor &2 is different as phase &3 of successor &4

What causes this issue?

Relationships between programs that belongs to different phases in
CNVSTATE are defined. This is not feasibly, only relationships between
programs of the same phase are allowed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV481 - Phase &1 of predecessor &2 is different as phase &3 of successor &4 ?

  The SAP error message "CNV481 Phase &1 of predecessor &2 is different as phase &3 of successor &4" typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services tools. This error indicates a mismatch in the phases of the predecessor and successor objects in the conversion process.
  Cause:
  
  Phase Mismatch: The error arises when the phase of a predecessor object (e.g., a data structure or table) does not match the expected phase of the successor object. This can happen if the data migration process is not following the correct sequence or if there are inconsistencies in the configuration.
  Configuration Issues: There may be issues in the configuration of the migration project, such as incorrect settings or missing dependencies.
  Data Integrity Issues: If the data being migrated has integrity issues or does not conform to the expected structure, it can lead to phase mismatches.
  
  Solution:
  
  Check Migration Sequence: Ensure that the migration sequence is correct and that all predecessor objects are processed before their successors. Review the migration plan and adjust the order of operations if necessary.
  Review Configuration: Go through the configuration settings of the migration project to ensure that all parameters are set correctly. Look for any discrepancies in the phase definitions.
  Data Validation: Validate the data being migrated to ensure it meets the required structure and integrity constraints. Clean up any inconsistencies in the data.
  Logs and Documentation: Check the logs for more detailed error messages that can provide insights into what specifically is causing the phase mismatch. Refer to SAP documentation for guidance on the specific migration tool being used.
  Consult SAP Notes: Look for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error. SAP frequently updates its knowledge base with solutions to common issues.
  Testing: If possible, run a test migration with a smaller dataset to identify where the issue occurs and to validate the migration process.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to the CNV481 error message for specific patches or updates that may resolve the issue.
  Migration Tools Documentation: Review the official documentation for the migration tools being used (e.g., SAP Data Services, SLT) for best practices and troubleshooting tips.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.