How To Fix CNV_CMIS_A_30_MSG017 - Receiver system is unicode system whereas sender 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: 017

• Message text: Receiver system is unicode system whereas sender system is non unicode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_30_MSG017 - Receiver system is unicode system whereas sender system is non unicode ?

  The SAP error message CNV_CMIS_A_30_MSG017 indicates a compatibility issue between a Unicode and a non-Unicode system during data transfer or conversion processes. This error typically arises in scenarios involving data migration or system integration where data is being transferred from a non-Unicode SAP system to a Unicode SAP system.
  Cause:
  
  Character Set Mismatch: The sender system (non-Unicode) uses a different character encoding than the receiver system (Unicode). Non-Unicode systems typically use single-byte character sets, while Unicode systems can handle multi-byte character sets.
  Data Conversion Issues: Certain characters or data types in the non-Unicode system may not have a direct equivalent in the Unicode system, leading to conversion errors.
  Configuration Issues: The data transfer or migration process may not be properly configured to handle the differences between Unicode and non-Unicode systems.
  
  Solution:
  
  Data Conversion: Use SAP tools or programs designed for converting non-Unicode data to Unicode. The SAP Unicode Conversion tool (transaction SCC4) can help in this process.
  Check Data Mapping: Ensure that the data being transferred is properly mapped and that any special characters are handled correctly. You may need to create custom mapping rules for certain fields.
  Use SAP Migration Tools: Utilize SAP's migration tools, such as the SAP Landscape Transformation (SLT) or SAP Data Services, which can handle the conversion between Unicode and non-Unicode systems.
  Testing: Before performing the actual migration, conduct thorough testing in a development or quality assurance environment to identify and resolve any issues related to character encoding.
  Consult Documentation: Refer to SAP's official documentation regarding Unicode conversion and data migration for specific guidelines and best practices.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional insights or patches related to this error. You can search for notes using the SAP Support Portal.
  Unicode Conversion Guide: SAP provides a Unicode Conversion Guide that outlines the steps and considerations for converting a non-Unicode system to a Unicode system.
  Transaction Codes: Familiarize yourself with transaction codes like SCC4 (to check system settings) and SCC1 (to perform client copy) that may be relevant in the context of Unicode conversion.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or a consultant who specializes in system migrations and Unicode conversions.