How To Fix SADL_GW_ATC_VOCAN004 - &1: &2 is mandatory

SADL_GW_ATC_VOCAN004 - Overview

• Message type: E = Error

• Message class: SADL_GW_ATC_VOCAN -

• Message number: 004

• Message text: &1: &2 is mandatory

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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SADL_GW_ATC_VOCAN004 - Details

• The SAP error message SADL_GW_ATC_VOCAN004 typically indicates that a mandatory field is missing in the context of an OData service or a data model operation. This error is often encountered when working with the SAP Gateway and the SAP Application Development Framework (SADL).
  
  Cause:
  The error message SADL_GW_ATC_VOCAN004 is triggered when a required field (denoted by &2 in the message) is not provided in the request. This can happen in various scenarios, such as:
  
  Missing Mandatory Fields: The request to create or update an entity does not include all the mandatory fields defined in the data model.
  Incorrect Mapping: The mapping between the frontend and backend might not be correctly set up, leading to missing data.
  Validation Rules: There may be validation rules in place that require certain fields to be populated before the operation can proceed.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data Model: Review the data model definition to