How To Fix DMEE345 - Error aggregating node &1: summation using &2 is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DMEE - Messages for Data Medium Exchange Engine

• Message number: 345

• Message text: Error aggregating node &1: summation using &2 is not possible

What causes this issue?

Summation using node &V2& is not possible since this node is an atom.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether summation can be carried out using the element that atom
&V2& is assigned to as a subnode.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE345 - Error aggregating node &1: summation using &2 is not possible ?

  The SAP error message DMEE345 typically occurs in the context of the Data Medium Exchange Engine (DMEE) when there is an issue with aggregating data nodes in a DMEE format tree. This error indicates that the system is unable to perform a summation operation on a specified node due to a configuration or data issue.
  Cause:
  
  Incorrect Node Configuration: The node that is being aggregated may not be configured correctly. For example, the node might not have the appropriate data type or structure that allows for summation.
  Data Type Mismatch: The data type of the values being summed may not be compatible. For instance, trying to sum string values instead of numeric values can lead to this error.
  Missing Data: If the node does not contain any data or if the data is incomplete, the summation cannot be performed.
  Aggregation Method: The aggregation method specified for the node may not be suitable for the data being processed.
  
  Solution:
  
  Check Node Configuration: Review the configuration of the node in the DMEE tree. Ensure that it is set up correctly for aggregation and that it is intended to perform a summation.
  Verify Data Types: Ensure that the data types of the values being aggregated are numeric. If they are not, you may need to convert them to a suitable format.
  Data Availability: Check if the data for the node is available and complete. If there are missing values, ensure that the data source is providing the necessary information.
  Review Aggregation Method: Make sure that the aggregation method specified for the node is appropriate for the data being processed. If necessary, change the method to one that is compatible with the data type.
  Debugging: If the issue persists, consider using debugging tools within SAP to trace the data flow and identify where the aggregation is failing.
  
  Related Information:
  
  DMEE Documentation: Refer to the official SAP documentation for DMEE to understand the configuration options and best practices for setting up nodes and aggregation.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to DMEE errors.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the DMEE345 error and implement a solution to resolve it.