How To Fix /UI5/MP_CP021 - Mandatory parameter &1 must not be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CP -

• Message number: 021

• Message text: Mandatory parameter &1 must not be deleted

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 /UI5/MP_CP021 - Mandatory parameter &1 must not be deleted ?

  The SAP error message /UI5/MP_CP021 Mandatory parameter &1 must not be deleted typically occurs in the context of SAP Fiori or UI5 applications when a mandatory parameter required for the application or service is missing or has been deleted from the configuration.
  Cause:
  
  Missing Mandatory Parameter: The error indicates that a required parameter (denoted by &1) is not present in the configuration or has been removed.
  Incorrect Configuration: The configuration settings for the application or service may have been altered incorrectly, leading to the deletion of essential parameters.
  Transport Issues: If the application was transported from one system to another, the mandatory parameters may not have been included in the transport request.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the application or service in the SAP system. Ensure that all mandatory parameters are correctly defined and have not been deleted.
  Restore Parameters: If you have a backup or documentation of the previous configuration, restore the missing mandatory parameter.
  Consult Documentation: Refer to the official SAP documentation for the specific application or service to identify the mandatory parameters and their required values.
  Transport Request Review: If the issue arose after a transport, check the transport request to ensure that all necessary parameters were included and correctly transported.
  Debugging: If you have access to the development environment, you can debug the application to identify where the parameter is being checked and why it is considered missing.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific application or error message for additional guidance or patches that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Fiori Launchpad Configuration: If the error is related to the Fiori Launchpad, ensure that the launchpad configuration is correct and that all necessary parameters are set in the launchpad designer.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.