How To Fix EA764 - Predecessor of basic type & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 764

• Message text: Predecessor of basic type & does not exist

What causes this issue?

Predecessor &v2& is entered for basic type &v1&. Basic type &v2& could
not be found, however.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA764 - Predecessor of basic type & does not exist ?

  The SAP error message EA764 indicates that there is a problem with a data type in the ABAP Dictionary. Specifically, it means that a predecessor of a basic type does not exist. This typically occurs when a data type is defined in a way that references another type that is not available or has not been defined correctly.
  Cause:
  
  Missing Data Type: The predecessor data type that is being referenced does not exist in the system. This could be due to a missing definition or an incorrect reference.
  Incorrect Naming: There may be a typo or incorrect naming in the data type definition.
  Transport Issues: If the data type was transported from another system, it may not have been transported correctly, leading to missing dependencies.
  Namespace Issues: The data type might be in a different namespace that is not accessible in the current context.
  
  Solution:
  
  Check Data Type Definition: Verify that the predecessor data type is defined in the ABAP Dictionary. You can do this by navigating to the Data Dictionary (SE11) and checking the relevant data types.
  Correct Naming: Ensure that the naming of the data type is correct and matches the expected format.
  Transport Requests: If the data type was supposed to be transported, check the transport requests to ensure that all necessary objects were included and successfully imported.
  Namespace Verification: Make sure that the data type is in the correct namespace and that you have the necessary authorizations to access it.
  Recreate the Type: If the predecessor type is missing and cannot be found, you may need to recreate it or adjust the references in your code to point to an existing type.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary) to check the definitions of data types and SE80 (Object Navigator) to explore the related objects.
  ABAP Development: Familiarity with ABAP programming and data types is essential for troubleshooting this error.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to the SAP Help Portal for documentation on data types and the ABAP Dictionary.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance.