How To Fix E0678 - Enter linked basic type

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 678

• Message text: Enter linked basic type

What causes this issue?

Extensions are always assigned to a basic type. The reference segments
can hence be determined uniquely.
You have not yet stated a basic type for the extension.

System Response

The extension cannot be created.

How to fix this error?

Enter a basic type for which you want to create the extension.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0678 - Enter linked basic type ?

  The SAP error message E0678, which states "Enter linked basic type," typically occurs in the context of data element or domain definitions in the ABAP Dictionary. This error indicates that a linked basic type is required but has not been specified.
  Cause:
  The error usually arises in the following scenarios:
  
  Missing Basic Type: When creating or modifying a data element or domain, the linked basic type is not specified.
  Incorrect Configuration: The configuration of the data element or domain may be incomplete or incorrect, leading to the absence of a required basic type.
  Inconsistent Data Model: If there are changes in the data model that affect the basic types, it may lead to this error.
  
  Solution:
  To resolve the E0678 error, follow these steps:
  
  
  Check Data Element/Domain Definition:
  
  Go to the ABAP Dictionary (transaction SE11).
  Locate the data element or domain that is causing the error.
  Ensure that a valid linked basic type is specified in the definition.
  
  
  
  Specify a Basic Type:
  
  If the basic type is missing, you need to enter a valid basic type. This can be done by editing the data element or domain and selecting an appropriate basic type from the list.
  
  
  
  Review Dependencies:
  
  Check if there are any dependencies or references to other data elements or domains that might be causing the issue. Ensure that all linked types are correctly defined.
  
  
  
  Transport Requests:
  
  If the changes are part of a transport request, ensure that the transport is correctly configured and that all necessary objects are included.
  
  
  
  Activate Changes:
  
  After making the necessary changes, activate the data element or domain to ensure that the changes take effect.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE80: Object Navigator
  
  
  Documentation: Refer to SAP Help documentation for detailed information on data elements and domains.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance, as they may have additional insights or access to system logs that can help diagnose the issue.