How To Fix DDLS486 - Field &: Data type & is not allowed for fields

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 486

• Message text: Field &: Data type & is not allowed for fields

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 DDLS486 - Field &: Data type & is not allowed for fields ?

  The SAP error message DDLS486 indicates that there is an issue with the data type of a field in a Data Dictionary object (like a table or structure). Specifically, the error message states that the data type specified for a field is not allowed. This typically occurs when the data type is incompatible with the context in which it is being used.
  Cause:
  
  Incompatible Data Type: The field is defined with a data type that is not permitted for the specific context (e.g., a certain type of database table, structure, or view).
  Incorrect Field Definition: The field may have been defined incorrectly, using a data type that does not conform to the rules of the Data Dictionary.
  Legacy Data Types: Sometimes, older or deprecated data types may not be supported in newer versions of SAP.
  Domain Restrictions: The domain associated with the field may have restrictions that are not being met by the data type.
  
  Solution:
  
  Check Data Type: Review the data type assigned to the field in the Data Dictionary. Ensure that it is a valid type for the context in which it is being used.
  Change Data Type: If the data type is indeed invalid, change it to a compatible type. Common data types include CHAR, NUMC, DATS, TIMS, etc.
  Review Domain: If the field is associated with a domain, check the domain definition to ensure that it allows the data type you are trying to use.
  Consult Documentation: Refer to SAP documentation or the Data Dictionary documentation for the specific object you are working with to understand the allowed data types.
  Use Transaction SE11: Use transaction SE11 (Data Dictionary) to navigate to the field definition and make necessary adjustments.
  Check for Updates: If you are working in a newer version of SAP, ensure that you are not using any deprecated data types.
  
  Related Information:
  
  Data Dictionary (SE11): This is the main tool for managing database objects in SAP. You can use it to view and edit table definitions, data elements, domains, etc.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific data type or object you are working with.
  ABAP Development: If you are developing ABAP programs, ensure that the data types used in your code match the definitions in the Data Dictionary.
  
  By following these steps, you should be able to resolve the DDLS486 error and ensure that your field definitions are correct and compatible with SAP's requirements.