How To Fix /IWFND/CM_COS070 - Creation failed. Mandatory field '&1' initial

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_COS -

• Message number: 070

• Message text: Creation failed. Mandatory field '&1' initial

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_COS070 - Creation failed. Mandatory field '&1' initial ?

  The SAP error message /IWFND/CM_COS070 Creation failed. Mandatory field '&1' initial typically occurs in the context of SAP Gateway or OData services when there is an attempt to create a new entity, but one or more mandatory fields are not provided or are left empty.
  Cause:
  
  
  Missing Mandatory Fields: The error indicates that a required field (denoted by &1) is not populated during the creation of an entity. This could be due to:
  
  The client application not sending the required data.
  The data being incorrectly mapped or transformed before reaching the backend.
  A configuration issue in the OData service or the underlying data model.
  
  
  
  Data Model Configuration: The data model defined in the backend (e.g., in the ABAP Dictionary or the OData service) may have mandatory fields that are not being fulfilled.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or create certain fields, leading to them being treated as empty.
  
  
  Solution:
  
  
  Check the OData Service: 
  
  Review the OData service definition to identify which fields are marked as mandatory.
  Ensure that the client application is sending values for all mandatory fields.
  
  
  
  Debugging:
  
  Use transaction /IWFND/ERROR_LOG to check for detailed error logs related to the OData service call.
  Use transaction SE80 or SE11 to inspect the data model and confirm which fields are mandatory.
  
  
  
  Client-Side Validation:
  
  Implement client-side validation to ensure that all mandatory fields are filled before making the request to the OData service.
  
  
  
  Testing:
  
  Test the OData service using tools like Postman or SAP Gateway Client (transaction /IWFND/GW_CLIENT) to manually send requests and verify that all required fields are included.
  
  
  
  Review Authorization:
  
  Ensure that the user has the necessary authorizations to create the entity and access all required fields.
  
  
  
  Related Information:
  
  SAP Gateway: This error is often encountered in the context of SAP Gateway services, which expose business data as OData services.
  OData Protocol: Understanding the OData protocol can help in troubleshooting issues related to data transmission and entity creation.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on handling mandatory fields in OData services.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.