How To Fix CNV_CMIS_A_30_MSG016 - Sender system is unicode system whereas receiver system is non unicode

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_30_MSG - Message class for system Analysis

• Message number: 016

• Message text: Sender system is unicode system whereas receiver system is non unicode

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_30_MSG016 - Sender system is unicode system whereas receiver system is non unicode ?

  The SAP error message CNV_CMIS_A_30_MSG016 indicates a compatibility issue between a Unicode sender system and a non-Unicode receiver system during data transfer or migration processes. This error typically arises in scenarios involving data conversion, such as during system migrations or when using tools like SAP's Conversion Management Information System (CMIS).
  Cause:
  
  Unicode vs. Non-Unicode Systems: The primary cause of this error is the fundamental difference in how Unicode and non-Unicode systems handle character encoding. Unicode systems can represent a vast range of characters from multiple languages, while non-Unicode systems are limited to a specific character set (like ASCII or a specific code page).
  Data Transfer: When data is transferred from a Unicode system to a non-Unicode system, characters that are not supported in the non-Unicode character set may lead to data loss or corruption, triggering this error.
  
  Solution:
  
  Use a Unicode Receiver System: The most straightforward solution is to ensure that the receiving system is also a Unicode system. If possible, upgrade the non-Unicode system to a Unicode version.
  Data Conversion: If upgrading is not feasible, consider converting the data to a compatible format before transferring it. This may involve:
  
  Mapping Unicode characters to their nearest non-Unicode equivalents.
  Removing or replacing unsupported characters.
  
  
  Use SAP Tools: Utilize SAP's tools and programs designed for data migration and conversion, which can help manage character set differences. For example, the SAP Landscape Transformation (SLT) tool can assist in real-time data replication and transformation.
  Check Configuration: Ensure that the configuration settings for the data transfer process are correctly set to handle character encoding issues. This may involve adjusting parameters in the data transfer tools or scripts.
  Testing: Conduct thorough testing in a development or sandbox environment to identify and resolve any character encoding issues before performing the actual data transfer.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to Unicode and non-Unicode system migrations for specific guidance and best practices.
  Documentation: Review SAP documentation on data migration and character set handling to understand the implications of transferring data between different system types.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By addressing the character set compatibility between the systems, you can resolve the CNV_CMIS_A_30_MSG016 error and ensure a successful data transfer.