How To Fix CNV_21527010 - Both old and new logical systems are initial

CNV_21527010 - Overview

• Message type: E = Error

• Message class: CNV_21527 - Logical System Rename

• Message number: 010

• Message text: Both old and new logical systems are initial

Self-Explanatory Message

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CNV_21527010 - Details

• The SAP error message CNV_21527010 indicates that both the old and new logical systems are not defined or initialized in the context of a data migration or conversion process. This error typically arises during the execution of a data migration project, particularly when using SAP's tools for data transfer or conversion.
  
  Cause:
  
  Uninitialized Logical Systems: The error occurs when the system cannot find valid entries for both the old and new logical systems in the configuration. This means that either the logical system names are not defined, or they are incorrectly specified.
  
  Configuration Issues: There may be issues in the configuration settings where the logical systems are supposed to be defined.
  Data Migration Settings: The settings for the data migration process may not have been properly set up, leading to the system not recognizing the logical systems.
  
  
  Solution:
  
  
  Check Logical System Configuration:
  
  Go to transaction SCC4 to check the logical system configuration.
  Ensure that both the old and