How To Fix RSWADMDERR1391 - Enter at least one child parameter below mandatory '&2' (ancestor: &1).

RSWADMDERR1391 - Overview

• Message type: E = Error

• Message class: RSWADMDERR1 - Web Application Designer 4.0 Error Messages

• Message number: 391

• Message text: Enter at least one child parameter below mandatory '&2' (ancestor: &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSWADMDERR1391 - Enter at least one child parameter below mandatory '&2' (ancestor: &1). ?

  The SAP error message RSWADMDERR1391 indicates that there is a problem with the parameters being passed in a certain transaction or report. Specifically, it suggests that you need to enter at least one child parameter for a mandatory ancestor parameter.
  
  Cause:
  This error typically occurs in the context of using the SAP system where hierarchical parameters are involved. The "ancestor" parameter (indicated as &1) is a higher-level parameter that requires at least one "child" parameter (indicated as &2) to be specified. If you do not provide any child parameters when the ancestor parameter is mandatory, the system will throw this error.
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Identify the Parameters: Check the parameters you are trying to enter in the transaction or report. Identify which one is the ancestor parameter and which ones are the child parameters.
  
  
  Enter Child Parameters: Ensure that you enter at least one child parameter that corresponds to the mandatory