How To Fix MSG_UH190 - Line &1: Special node &2 cannot be contra item.

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_UH - Universal Hierarchy Message Class

• Message number: 190

• Message text: Line &1: Special node &2 cannot be contra item.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_UH190 - Line &1: Special node &2 cannot be contra item. ?

  The SAP error message MSG_UH190 typically indicates an issue related to the handling of special nodes in the context of a document or transaction. This error message is often encountered in the context of logistics, particularly when dealing with handling units (HUs) or special stock types.
  Cause:
  The error message MSG_UH190 Line &1: Special node &2 cannot be contra item usually arises due to one of the following reasons:
  
  
  Incorrect Configuration: The special node (e.g., a handling unit or stock type) is not configured correctly in the system, leading to a mismatch when trying to process it as a contra item.
  
  
  Invalid Item Type: The item being processed may not be valid for the operation being performed. For example, it may not be allowed to be a contra item due to its status or type.
  
  
  Data Integrity Issues: There may be inconsistencies in the data related to the handling units or special stock that prevent the system from processing the item correctly.
  
  
  Business Logic Constraints: The business rules defined in the system may restrict certain operations on specific types of items or nodes.
  
  
  Solution:
  To resolve the MSG_UH190 error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings for handling units and special stock types in the SAP system. Ensure that the special node is set up correctly and is allowed to be processed as a contra item.
  
  
  Validate Item Types: Ensure that the item you are trying to process is valid for the operation you are performing. Check if it is marked correctly in the system and if it meets the criteria for being a contra item.
  
  
  Data Consistency Check: Perform a data consistency check to identify any discrepancies in the handling units or special stock. You may need to run specific reports or transactions to validate the data.
  
  
  Review Business Rules: Consult with your business process owners or SAP functional consultants to understand the business rules that may be affecting the processing of the item. Adjustments may be needed in the business logic or process flows.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  Debugging: If you have access to development tools, consider debugging the transaction to identify the exact point of failure and the data being processed at that time.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with handling units, such as HU02 (Change Handling Unit) or HU03 (Display Handling Unit).
  Documentation: Review SAP documentation related to handling units and special stock management for a deeper understanding of how these elements interact within the system.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after following these steps, it may be beneficial to involve your SAP support team or a consultant with expertise in logistics and handling units.