How To Fix DMC_GENERAL404 - Error when setting payload; data of node &1 are not compatible

DMC_GENERAL404 - Overview

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 404

• Message text: Error when setting payload; data of node &1 are not compatible

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 DMC_GENERAL404 - Error when setting payload; data of node &1 are not compatible ?

  The SAP error message DMC_GENERAL404 typically occurs in the context of Data Migration Cockpit (DMC) when there is an issue with the data being processed. The specific message indicates that the data of a particular node is not compatible with the expected structure or format. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Data Structure Mismatch: The data being uploaded may not match the expected structure defined in the DMC. This could be due to missing fields, incorrect data types, or unexpected values.
  Data Type Incompatibility: The data types of the fields in the source data may not align with the target data model. For example, trying to upload a string where a numeric value is expected.
  Mandatory Fields Missing: If there are mandatory fields in the target structure that are not provided in the source data, this can lead to compatibility issues.
  Incorrect Mapping: The mapping between