How To Fix UCFI018 - Inentory items: Items/product groups overlap

SAP Error Message - Details

• Message type: E = Error

• Message class: UCFI - Messages for Elim. of IU Profit/Loss

• Message number: 018

• Message text: Inentory items: Items/product groups overlap

What causes this issue?

The combinations of items and product groups overlap.
For example, suppose you have defined that the range of product groups
PG1 to PG3 is assigned to item 100000. In this case, you can not at the
same time define that the range of product groups PG3 to PG5 is
assigned to item 110000. This is because product group PG3 would be
assigned to both items 100000 and 110000.

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?

Make sure that no combinations of items and product groups overlap.

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 UCFI018 - Inentory items: Items/product groups overlap ?

  The SAP error message UCFI018, which states "Inventory items: Items/product groups overlap," typically occurs in the context of inventory management and product categorization. This error indicates that there is a conflict or overlap in the definitions of inventory items or product groups within the system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Overlapping Product Groups: The error often arises when two or more product groups or items are defined in such a way that they overlap in terms of their classification or categorization. For example, if you have defined a product group for "Electronics" and another for "Mobile Phones," and if "Mobile Phones" is also included in "Electronics," this can lead to an overlap.
  
  
  Incorrect Item Master Data: The item master data may have been incorrectly set up, leading to conflicts in how items are categorized.
  
  
  Configuration Issues: There may be issues in the configuration of the inventory management module, particularly in how product groups and items are defined and related.
  
  
  Solution:
  
  
  Review Product Group Definitions: Check the definitions of the product groups and items in the system. Ensure that there are no overlaps in the classifications. You may need to redefine the product groups to eliminate any conflicts.
  
  
  Adjust Item Master Data: Review the item master data for the affected items. Ensure that each item is assigned to the correct product group without any overlaps.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like MM02 for changing material master data) to make necessary adjustments to the product groups or item definitions.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly set up product groups and inventory items to avoid overlaps.
  
  
  Testing: After making changes, perform tests to ensure that the error does not reoccur. This may involve creating new items or product groups to verify that the system behaves as expected.
  
  
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and setup.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on resolving it.
  Training and Documentation: Review training materials or documentation related to inventory management and product group configuration in SAP.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By addressing the underlying causes of the overlap and ensuring proper configuration, you should be able to resolve the UCFI018 error effectively.