How To Fix /CFG/UI_BCW008 - Source cardinality &1 is invalid.

SAP Error Message - Details

• Message type: E = Error

• Message class: /CFG/UI_BCW -

• Message number: 008

• Message text: Source cardinality &1 is invalid.

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 /CFG/UI_BCW008 - Source cardinality &1 is invalid. ?

  The SAP error message /CFG/UI_BCW008 Source cardinality &1 is invalid typically occurs in the context of SAP Business Configuration (BC) or when working with the SAP Cloud Application Studio. This error indicates that there is an issue with the cardinality defined for a data source in a business configuration or data model.
  
  Cause:
  
  Invalid Cardinality Definition: The cardinality defines the number of instances of one entity that can be associated with instances of another entity. For example, a cardinality of "1" means one instance, while "0..1" means zero or one instance. If the cardinality is set incorrectly (e.g., a value that is not recognized or supported), this error will occur.
  Configuration Errors: There may be a misconfiguration in the business configuration settings or data model that leads to this error.
  Inconsistent Data Model: If the data model has been modified and the changes are not consistent with the existing configurations, it can lead to