How To Fix DT252 - Field &: Data type & is no longer supported

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 252

• Message text: Field &: Data type & is no longer supported

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 DT252 - Field &: Data type & is no longer supported ?

  The SAP error message DT252 indicates that a specific field in your data structure is using a data type that is no longer supported in the current version of SAP. This typically occurs when you are working with older data types that have been deprecated or replaced with newer ones in the latest SAP releases.
  Cause:
  
  Deprecated Data Types: The field in question is using a data type that has been phased out in the newer versions of SAP.
  Custom Development: If you are working with custom programs or enhancements, it’s possible that the code is referencing an outdated data type.
  Upgrades: If your system has recently been upgraded, some data types may have been removed or replaced, leading to this error.
  
  Solution:
  
  Identify the Field: Check the field mentioned in the error message to understand which data type is causing the issue.
  Update Data Type: Replace the deprecated data type with a supported one. You can refer to the SAP documentation or data type reference guide to find the appropriate replacement.
  Modify Custom Code: If the error arises from custom code, you will need to modify the code to use the new data type.
  Check Data Dictionary: Use transaction SE11 to check the data dictionary for the field and see its current data type. Update it if necessary.
  Testing: After making changes, ensure to test the affected programs or transactions to confirm that the error has been resolved.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP Notes often provide detailed information on deprecated data types and their replacements.
  Documentation: Review the SAP Help Portal for documentation on data types and their usage in the current version of SAP.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  Best Practices:
  
  Regularly review and update your custom developments to align with the latest SAP standards.
  Keep track of SAP release notes during upgrades to be aware of any changes to data types and other critical components.
  Implement a testing strategy to catch such issues early in the development or upgrade process.
  
  By following these steps, you should be able to resolve the DT252 error and ensure that your SAP environment is using supported data types.