How To Fix CNV_CMIS_A_20208 - Table-field &1-&2 have different data type/length in systems &3 and &4.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 208

• Message text: Table-field &1-&2 have different data type/length in systems &3 and &4.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20208 - Table-field &1-&2 have different data type/length in systems &3 and &4. ?

  The SAP error message CNV_CMIS_A_20208 indicates that there is a mismatch in the data types or lengths of a specific field in two different systems during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error occurs when:
  
  The same field in two different systems (e.g., source and target systems) has different data types (e.g., CHAR vs. NUMC) or different lengths (e.g., one system has a field length of 10 characters while the other has 20).
  This can happen due to differences in the database schema, customizations, or configurations between the two systems.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Fields: Check the error message for the specific field names (represented as &1 and &2) and the systems involved (represented as &3 and &4). This will help you pinpoint the exact fields causing the issue.
  
  
  Compare Data Types and Lengths:
  
  Access the Data Dictionary (SE11) in both systems.
  Look up the specified table and field in both the source and target systems.
  Compare the data types and lengths of the fields.
  
  
  
  Adjust the Schema:
  
  If the source system's field is shorter or has a different data type, consider adjusting the field in the target system to match the source system.
  Alternatively, if the target system's field is more appropriate, you may need to adjust the source system's field to match the target.
  
  
  
  Data Mapping: If the fields cannot be directly matched due to business logic or requirements, consider implementing a data mapping strategy. This may involve:
  
  Creating a transformation logic to convert data from one format to another.
  Using a staging table to hold data temporarily while transformations are applied.
  
  
  
  Testing: After making the necessary adjustments, perform a test migration to ensure that the error is resolved and that data integrity is maintained.
  
  
  Documentation: Document any changes made to the schema or data mapping for future reference and to assist other team members.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to data migration and the specific error message for any additional guidance or updates.
  Migration Tools: Familiarize yourself with the specific migration tool you are using, as they may have built-in features to help identify and resolve data type mismatches.
  Data Dictionary: Understanding the SAP Data Dictionary (SE11) is crucial for troubleshooting schema-related issues.
  
  By following these steps, you should be able to resolve the CNV_CMIS_A_20208 error and successfully complete your data migration or conversion process.