How To Fix CL066 - Class types & and & have different object tables

CL066 - Overview

• Message type: E = Error

• Message class: CL - Classification

• Message number: 066

• Message text: Class types & and & have different object tables

What causes this issue?

Class types &V1& and &V2& are defined for different object types.
In a class type that has been defined for materials only, for example,
you cannot classify documents.

System Response

The system checks whether both the class types you are using are defined
for the same object type.

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?

For both classes, choose class types that are defined for the same
object type (for example, material).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL066 - Class types & and & have different object tables ?

  The SAP error message CL066 indicates that there is a mismatch between the object tables of two class types in the ABAP Object-Oriented programming environment. This typically occurs when you are trying to use or reference two classes that are not compatible due to their underlying object tables being different.
  
  Cause:
  
  Incompatible Class Types: The error usually arises when you are trying to inherit from a class or use a class that is not compatible with the current class due to differences in their object tables.
  Incorrect Class Definition: If a class is defined incorrectly or if there are changes in the class hierarchy that have not been properly managed, this error can occur.
  Changes in Class Structure: If the structure of a class has been changed (e.g., adding or removing attributes) and the dependent classes have not been updated accordingly, it can lead to this error.
  
  
  Solution:
  
  Check Class Definitions: Review the definitions of the