How To Fix CM_EHFND_GW_COMN001 - Mandatory field '&1' not provided

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_GW_COMN - Common Gateway Messages

• Message number: 001

• Message text: Mandatory field '&1' not provided

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_GW_COMN001 - Mandatory field '&1' not provided ?

  The SAP error message CM_EHFND_GW_COMN001 indicates that a mandatory field, represented by &1, has not been provided in a request to the SAP Gateway. This error typically occurs when you are trying to execute a service or operation that requires certain mandatory fields to be filled, but one or more of those fields are missing in the request payload.
  Cause:
  
  Missing Mandatory Fields: The most common cause is that the request being sent to the SAP Gateway does not include all the required fields. This could be due to a programming error, incorrect configuration, or user oversight.
  Incorrect Mapping: If you are using an integration tool or middleware, there might be an issue with how the fields are mapped between the source and the target systems.
  Data Model Changes: If there have been recent changes to the data model or service definition, the client application may not be updated to reflect these changes, leading to missing fields.
  
  Solution:
  
  Check the Service Documentation: Review the API or service documentation to identify which fields are mandatory for the operation you are trying to perform. Ensure that all required fields are included in your request.
  Debugging: If you have access to the backend, you can use transaction codes like /IWFND/ERROR_LOG to check for detailed error logs that might provide more context about the missing field.
  Update the Request: Modify the request to include the missing mandatory field(s). Ensure that the data being sent is in the correct format and adheres to any constraints defined in the service.
  Testing: After making the necessary changes, test the request again to ensure that the error is resolved.
  Consult with Developers: If you are not the developer, consult with the development team to ensure that the client application is correctly configured to send all required fields.
  
  Related Information:
  
  SAP Gateway: The SAP Gateway is a technology that enables the connection of devices, environments, and applications to SAP systems. Understanding how it works can help in troubleshooting issues related to service calls.
  OData Services: If you are working with OData services, familiarize yourself with the OData protocol and how it handles mandatory fields.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. Sometimes, there may be specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message CM_EHFND_GW_COMN001.