How To Fix UPWB206 - Appearance 'tree' is not allowed for selector &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UPWB - Messages for Development Class UPWB

• Message number: 206

• Message text: Appearance 'tree' is not allowed for selector &1

What causes this issue?

You set the value 'Tree' for the attribute 'Appearance'. However, this
is only possible for hierarchy variables where the user is allowed to
enter values.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Change the variable definition in the <DS:TRAN.BPS0>Planning
Environment</> accordingly, or choose another value for the attribute
'Appearance'.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UPWB206 - Appearance 'tree' is not allowed for selector &1 ?

  The SAP error message UPWB206, which states "Appearance 'tree' is not allowed for selector &1," typically occurs in the context of SAP BusinessObjects or SAP BW when working with Web Application Designer or similar tools. This error indicates that there is an issue with the appearance settings of a selector (like a dropdown or a list) in your application or report.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incompatible Appearance Setting: The 'tree' appearance is not supported for the specific type of selector you are trying to use. This can happen if the selector is not designed to display hierarchical data.
  Configuration Issues: There may be a misconfiguration in the settings of the Web Application Designer or the specific component you are working with.
  Version Compatibility: The version of SAP you are using may not support the 'tree' appearance for the selected component.
  
  Solution:
  To resolve the UPWB206 error, you can try the following steps:
  
  
  Change Appearance Setting:
  
  Open the Web Application Designer or the relevant tool where the error occurs.
  Locate the selector that is causing the issue.
  Change the appearance from 'tree' to a compatible option, such as 'list' or 'dropdown', depending on your requirements.
  
  
  
  Check Component Compatibility:
  
  Ensure that the component you are using supports the 'tree' appearance. Refer to the SAP documentation for the specific component to verify its capabilities.
  
  
  
  Review Configuration:
  
  Check the configuration settings of your application or report. Ensure that all settings are correctly defined and that there are no conflicts.
  
  
  
  Update SAP Version:
  
  If you are using an older version of SAP, consider updating to a newer version that may have better support for the features you are trying to implement.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or help resources for more detailed information on the specific selector and its supported appearances.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with your internal SAP team for further assistance.
  
  
  
  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 Resources: If you are frequently working with Web Application Designer, consider training resources or documentation to better understand the tool's capabilities and limitations.
  
  By following these steps, you should be able to resolve the UPWB206 error and successfully configure your selector.