How To Fix R7B618 - Characteristic &1 cannot be selected as UUID in this system

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 618

• Message text: Characteristic &1 cannot be selected as UUID in this system

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 R7B618 - Characteristic &1 cannot be selected as UUID in this system ?

  The SAP error message R7B618 indicates that a specific characteristic (denoted as &1) cannot be selected as a UUID (Universally Unique Identifier) in the current system. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA when dealing with data modeling, especially when trying to define characteristics for InfoObjects or when working with data flows.
  Cause:
  
  Incompatible Data Type: The characteristic you are trying to use as a UUID may not have the appropriate data type or format required for UUIDs.
  System Configuration: The system may not be configured to allow the selection of that characteristic as a UUID. This could be due to system settings or limitations in the version of SAP you are using.
  Characteristic Properties: The characteristic may not have the necessary properties set to be used as a UUID. For example, it may not be marked as a key figure or may not have the correct attributes.
  Data Model Restrictions: There may be restrictions in the data model that prevent certain characteristics from being used as UUIDs.
  
  Solution:
  
  Check Data Type: Ensure that the characteristic you are trying to use as a UUID has the correct data type. UUIDs are typically represented as strings, so the characteristic should be of a string type.
  Review Characteristic Properties: Go to the characteristic definition in the SAP BW or HANA model and check its properties. Ensure that it is set up correctly to be used as a UUID.
  System Configuration: Consult with your SAP Basis or system administrator to check if there are any system settings that need to be adjusted to allow the characteristic to be used as a UUID.
  Consult Documentation: Refer to the SAP documentation or help resources for your specific version of SAP to understand any limitations or requirements for using characteristics as UUIDs.
  Alternative Approach: If the characteristic cannot be used as a UUID, consider using a different characteristic that meets the requirements or creating a new characteristic specifically for this purpose.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  Documentation: Review the SAP BW or HANA documentation for best practices on defining characteristics and using UUIDs in your data models.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.