How To Fix OO201 - Instances relationship &1 &2 &3: Inconsistent attribute (TYPE,REFCLSNAME)

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 201

• Message text: Instances relationship &1 &2 &3: Inconsistent attribute (TYPE,REFCLSNAME)

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 OO201 - Instances relationship &1 &2 &3: Inconsistent attribute (TYPE,REFCLSNAME) ?

  The SAP error message OO201 indicates that there is an inconsistency in the object-oriented programming (OOP) structure, specifically related to instances and their attributes. The message typically points to a problem with the relationship between instances of classes, where the attributes TYPE and REFCLSNAME do not match as expected.
  
  Cause:
  
  
  Inconsistent Data: The error often arises when there is a mismatch between the expected type of an instance and the actual type being referenced. This can happen if:
  
  An instance of a class is being referenced incorrectly.
  The class definitions or relationships have been modified without updating all related instances.
  There are issues with inheritance or polymorphism where the expected class type does not match the actual class type.
  
  
  
  
  Configuration Issues: Sometimes, the error can be due to incorrect configuration settings in the system that define how instances relate to one another.
  
  
  Data Corruption: In rare cases, data corruption in the database or inconsistencies in the application