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.

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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 this error.
  
  Solution:
  
  Check Cardinality Settings: Review the cardinality settings in the business configuration or data model. Ensure that the cardinality values are set correctly according to the expected relationships between entities.
  Correct Configuration: If you find any discrepancies in the configuration, correct them. Make sure that the cardinality values conform to the expected formats (e.g., "1", "0..1", "0..n", "1..n").
  Review Documentation: Consult the SAP documentation or help resources for guidance on valid cardinality settings and their implications.
  Test Changes: After making changes, test the configuration to ensure that the error is resolved and that the system behaves as expected.
  Consult SAP Support: If the issue persists after checking the configuration, consider reaching out to SAP support for further assistance. They may provide insights specific to your system version or configuration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: Review training materials or documentation related to SAP Business Configuration and data modeling to better understand cardinality and its implications.
  
  By following these steps, you should be able to identify and resolve the issue related to the /CFG/UI_BCW008 error message.