How To Fix SWDP_WB_TOOL236 - Value for "Selection" does not match the value of "Cardinality"

SWDP_WB_TOOL236 - Overview

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 236

• Message text: Value for "Selection" does not match the value of "Cardinality"

What causes this issue?

You want to change the value of the property "Selection (Selection
Cardinality)" of a node to "1..1" or "1..n". The value of the property
"Cardinality", however, is "0..1" or "0..n".

System Response

The system rejects the change.

How to fix this error?

The property "Selection Cardinality" is dependent on the property
"Cardinality".

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL236 - Value for "Selection" does not match the value of "Cardinality" ?

  The SAP error message SWDP_WB_TOOL236, which states "Value for 'Selection' does not match the value of 'Cardinality'," typically occurs in the context of SAP Web Dynpro applications. This error is related to the configuration of the data model, particularly when defining the properties of UI elements or data binding.
  
  Cause:
  The error arises when there is a mismatch between the expected number of values (cardinality) for a particular selection and the actual number of values provided. In SAP Web Dynpro, cardinality defines how many instances of a particular data type can be associated with a UI element. For example, if a UI element is configured to accept a single value (cardinality 1), but the selection is set to allow multiple values, this inconsistency will trigger the error.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Data Model: Review the data model associated with the Web Dynpro component. Ensure that the cardinality