How To Fix CNVA_00006_MSG055 - Datatype & cannot have maximum length greater than 16

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 055

• Message text: Datatype & cannot have maximum length greater than 16

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_00006_MSG055 - Datatype & cannot have maximum length greater than 16 ?

  The SAP error message CNVA_00006_MSG055 indicates that there is an issue with a data type in your SAP system where the maximum length specified exceeds the allowed limit of 16 characters. This error typically arises during data migration or data transformation processes, particularly when using tools like SAP Data Services or SAP S/4HANA Migration Cockpit.
  Cause:
  The error is caused by attempting to define a data type (such as a string or character field) with a maximum length greater than 16 characters. In SAP, certain data types have restrictions on their maximum length, and exceeding these limits will trigger this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Data Type: Determine which data type is causing the issue. This can usually be found in the error message details or logs.
  
  
  Check Data Mapping: Review the data mapping configuration in your migration or transformation process. Ensure that the data types and their lengths are correctly defined.
  
  
  Adjust Maximum Length: If you have control over the data structure, modify the maximum length of the data type to be 16 characters or less. This may involve changing the data model or the source data.
  
  
  Use Appropriate Data Types: If you need to store longer strings, consider using a different data type that supports a larger maximum length, such as VARCHAR or STRING, depending on the context and the database being used.
  
  
  Test the Changes: After making adjustments, run the migration or transformation process again to ensure that the error is resolved.
  
  
  Related Information:
  
  Data Types in SAP: Familiarize yourself with the different data types available in SAP and their respective maximum lengths. Common data types include CHAR, VARCHAR, and STRING.
  SAP Documentation: Refer to the official SAP documentation for guidelines on data types and their limitations.
  Migration Tools: If you are using specific migration tools (like SAP S/4HANA Migration Cockpit), check their documentation for any specific requirements or limitations regarding data types.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP data migration.