How To Fix /UI5/MP_CA011 - Property to change does not exist in base descriptor: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CA -

• Message number: 011

• Message text: Property to change does not exist in base descriptor: &1

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 /UI5/MP_CA011 - Property to change does not exist in base descriptor: &1 ?

  The SAP error message /UI5/MP_CA011 Property to change does not exist in base descriptor: &1 typically occurs in the context of SAPUI5 or Fiori applications when there is an attempt to modify a property in a metadata descriptor that does not exist. This can happen during the configuration or extension of UI5 applications, particularly when working with annotations or OData services.
  Cause:
  
  Non-existent Property: The property you are trying to change or override in the base descriptor does not exist in the original metadata or model.
  Typographical Error: There may be a typo in the property name you are trying to reference.
  Version Mismatch: The version of the UI5 library or the OData service being used may not support the property you are trying to modify.
  Incorrect Configuration: The configuration file (e.g., manifest.json) may not be set up correctly, leading to the system not recognizing the property.
  
  Solution:
  
  Check Property Name: Verify that the property name you are trying to change is correct and exists in the base descriptor. Look for any typos or case sensitivity issues.
  Review Metadata: Inspect the OData service metadata to ensure that the property is defined. You can do this by accessing the service URL followed by $metadata.
  Update UI5 Version: If you are using an older version of SAPUI5, consider updating to a newer version that supports the property you are trying to modify.
  Correct Configuration: Ensure that your manifest.json or any other configuration files are correctly set up and that you are referencing the right properties.
  Consult Documentation: Refer to the official SAP documentation for the specific version of SAPUI5 you are using to understand the properties available in the base descriptor.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message.
  SAP Community: Engage with the SAP Community forums to see if others have encountered the same issue and what solutions they found.
  Debugging Tools: Use browser developer tools to debug the application and inspect the network requests to see the OData service responses and metadata.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.