How To Fix 28057 - Reference to object required: &1 found

SAP Error Message - Details

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 057

• Message text: Reference to object required: &1 found

What causes this issue?

The syntax check found an error. An object reference is expected at the
cursor. However, no valid object reference was found.

System Response

The cursor shows where the error occurs in your entry.

How to fix this error?

Objects in constraints are usually referred to by the class and class
type to which they are allocated:
(300)DESK
A variable is defined with the keyword IS_A:
D IS_A (300)DESK
If you want to refer to several objects, separate the objects with a
comma.
If you define variables for characteristics, the characteristics are
separated with a semicolon.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 28057 - Reference to object required: &1 found ?

  The SAP error message "28057 Reference to object required: &1 found" typically indicates that there is an issue with a reference to an object in your ABAP code or configuration. This error can occur in various contexts, such as when working with data elements, structures, or other objects in the SAP system.
  Cause:
  
  Incorrect Object Reference: The error usually arises when the code is trying to reference an object that is not valid or does not exist in the expected context.
  Data Type Mismatch: There may be a mismatch between the expected data type and the actual data type being used in the code.
  Missing Object: The object that is being referenced may not have been created or may have been deleted.
  Scope Issues: The object might be out of scope or not accessible in the current context.
  
  Solution:
  
  Check Object Existence: Verify that the object being referenced (indicated by &1 in the error message) actually exists in the system. You can do this by checking the relevant transaction codes (like SE11 for data elements, SE80 for objects, etc.).
  Review Code: Look at the ABAP code where the error occurs. Ensure that the object is being referenced correctly and that it is in scope.
  Data Type Validation: Ensure that the data types match. If you are trying to assign a value to a variable, make sure that the variable is of the correct type.
  Debugging: Use the ABAP debugger to step through the code and identify where the reference is failing. This can help you pinpoint the exact line of code causing the issue.
  Check for Changes: If the code was recently modified, review the changes to see if any references were altered or if any objects were renamed or deleted.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Builder) to investigate the objects involved.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional context.
  Documentation: Review the documentation for the specific objects you are working with to ensure you are using them correctly.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an experienced ABAP developer for further assistance.