How To Fix CNVA_00006_MSG064 - Datatype & cannot have maximum length greater than 31

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_00006_MSG - Message class for Content Based Search

• Message number: 064

• Message text: Datatype & cannot have maximum length greater than 31

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_00006_MSG064 - Datatype & cannot have maximum length greater than 31 ?

  The SAP error message CNVA_00006_MSG064 indicates that there is an issue with a data type definition in your SAP system. Specifically, it states that the datatype you are trying to use cannot have a maximum length greater than 31 characters. This error typically arises in the context of data conversion or data mapping processes, such as when using the SAP Data Services or during data migration activities.
  Cause:
  The error is caused by attempting to define a data type with a maximum length that exceeds the allowed limit of 31 characters. This can happen in various scenarios, such as:
  
  When defining a field in a data structure or table.
  When mapping fields in data transformation processes.
  When using certain data types that have inherent length restrictions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Type Definition: Review the definition of the data type that is causing the error. Ensure that the maximum length specified does not exceed 31 characters.
  
  
  Modify Data Mapping: If you are working with data mapping or transformation, adjust the mapping to ensure that the target field's length is within the allowed limit.
  
  
  Use Alternative Data Types: If the data you are trying to store requires more than 31 characters, consider using a different data type that supports a larger length, if applicable.
  
  
  Review Data Model: If this error occurs during data migration or ETL processes, review the data model to ensure that all fields comply with the length restrictions.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on data types and their limitations.
  
  
  Testing: After making the necessary changes, test the process again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  Data Type Documentation: Review the SAP documentation for data types and their characteristics to understand the limitations and best practices.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.