Message type: E = Error
Message class: /PF1/MSG_BPE -
Message number: 028
Message text: Class should be subclass of class /PF1/CL_PO_E_EV_CHECK up to 2 levels
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.
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.
/PF1/MSG_BPE028
- Class should be subclass of class /PF1/CL_PO_E_EV_CHECK up to 2 levels ?The SAP error message /PF1/MSG_BPE028 indicates that there is an issue with class inheritance in the context of Business Process Engine (BPE) or a related framework. Specifically, it suggests that a class you are trying to use is not a subclass of the required class /PF1/CL_PO_E_EV_CHECK up to 2 levels deep.
Cause: Class Hierarchy Violation: The class you are trying to use does not extend the required base class /PF1/CL_PO_E_EV_CHECK. This could be due to: The class being incorrectly defined. A missing or incorrect implementation of the required methods. The class being created in a way that does not adhere to the expected inheritance structure.
Configuration Issues: There may be configuration settings in the BPE or related components that are expecting a specific class structure that is not being met. Development Errors: If custom classes were developed, they may not have been implemented correctly, leading to this error.
Solution: Check Class Definition: Verify that the class you are using
Get instant SAP help. Sign up for our Free Essentials Plan.
/PF1/MSG_BPE027
Disabled entry in table &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PF1/MSG_BPE026
Entry &1 does not exist in the table &2 - please check the values
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PF1/MSG_BPE029
Maximum number of state groups per status group category reached
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PF1/MSG_BPE030
Deletion is not permitted for the check; there are dependent rules
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.