How To Fix RSBPCB_EXCEPTION121 - BPF: '&1' cannot be a group-by condition in process monitor

SAP Error Message - Details

• Message type: E = Error

• Message class: RSBPCB_EXCEPTION - BPC: BPF Message Class

• Message number: 121

• Message text: BPF: '&1' cannot be a group-by condition in process monitor

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 RSBPCB_EXCEPTION121 - BPF: '&1' cannot be a group-by condition in process monitor ?

  The SAP error message RSBPCB_EXCEPTION121 indicates that a specific field (denoted as &1) cannot be used as a group-by condition in the context of a Business Process Framework (BPF) process monitor. This error typically arises when there is an attempt to group data by a field that is not suitable for aggregation or does not meet the requirements for being a group-by condition.
  Cause:
  
  Inappropriate Field Selection: The field you are trying to use as a group-by condition may not be defined as a valid grouping field in the context of the BPF or the underlying data model.
  Data Type Issues: The data type of the field may not support aggregation or grouping.
  Configuration Issues: There may be configuration settings in the BPF or the underlying data source that restrict the use of certain fields for grouping.
  Missing Metadata: The metadata for the field may not be correctly defined in the system, leading to it being unrecognized as a valid group-by condition.
  
  Solution:
  
  Check Field Validity: Verify that the field you are trying to use as a group-by condition is indeed valid for grouping. Consult the documentation or data model to ensure it is allowed.
  Review Data Types: Ensure that the data type of the field is appropriate for aggregation. For example, numeric fields are typically valid for grouping, while text fields may not be.
  Adjust BPF Configuration: If you have access to the BPF configuration, review the settings to ensure that the field is included in the list of valid group-by fields.
  Consult Metadata: Check the metadata definitions for the field in the data source. Ensure that it is correctly defined and recognized by the system.
  Use Alternative Fields: If the field cannot be used for grouping, consider using an alternative field that meets the criteria for group-by conditions.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Business Process Framework and data modeling to understand the requirements for group-by conditions.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuring BPF processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.