How To Fix WTADDI444 - External additional &1 is not assigned to any internal

SAP Error Message - Details

• Message type: E = Error

• Message class: WTADDI - Additionals: Messages

• Message number: 444

• Message text: External additional &1 is not assigned to any internal

What causes this issue?

You have entered external
<DS:GLOS.3526BC3AAFAB52B9E10000009B38F974>procedure for additionals</>
&V1&. This method must be converted into a procedure for additionals
that is valid for your system.
The relevant values must exist in the system to do this. No entry has
been maintained for customer&V4& in distribution chain&V2&&V3&.

System Response

The system cannot convert the external procedure for additionals.
Further processing is not possible.

How to fix this error?

Check your entry. If necessary, maintain the
<DS:TRAN.WTAD_FMCU_CHANGE>procedure for additional assignment for this
customer</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WTADDI444 - External additional &1 is not assigned to any internal ?

  The SAP error message:
  WTADDI444 External additional &1 is not assigned to any internal
  typically occurs in the context of Warehouse Management (WM) or Inventory Management (IM), especially when dealing with additional units of measure (UoM) or unit conversions.
  
  Cause
  
  The error indicates that an external additional unit of measure (represented by &1 in the message) used in a transaction or master data is not linked or assigned to any internal unit of measure in the system.
  In SAP, additional units of measure must be mapped to an internal unit of measure to allow proper conversion and processing.
  This usually happens when:
  
  A material master has an additional unit of measure defined, but the system does not have a corresponding internal unit assigned.
  During goods movement or warehouse processes, an external unit is referenced that the system cannot interpret because the mapping is missing.
  Customizing for units of measure or unit conversions is incomplete or inconsistent.
  
  
  
  
  Solution
  
  
  Check Material Master Data:
  
  Go to transaction MM02 (Change Material).
  Navigate to the Additional Data tab or Units of Measure section.
  Verify if the external additional unit of measure is maintained.
  Ensure that the additional unit is properly assigned and linked to an internal unit of measure.
  
  
  
  Maintain Unit of Measure Conversions:
  
  Use transaction CUNI (Units of Measure) to check and maintain units of measure.
  Verify that the external additional unit is defined.
  Ensure that conversion factors between the external additional unit and the internal unit are maintained.
  
  
  
  Check Warehouse Management Customizing:
  
  Use transaction SPRO ? Logistics Execution ? Warehouse Management ? Master Data ? Define Units of Measure.
  Verify that the external additional unit is assigned to an internal unit of measure.
  Maintain or correct the assignment if missing.
  
  
  
  Check for User Exits or Enhancements:
  
  If custom code or enhancements are involved in unit handling, verify that they correctly handle the additional units.
  
  
  
  Reprocess the Transaction:
  
  After correcting the unit assignments, retry the transaction that caused the error.
  
  
  
  
  Related Information
  
  
  Units of Measure in SAP:
  
  SAP distinguishes between internal units (used internally in the system) and external units (used in business documents or by users).
  Additional units of measure allow flexibility in handling materials in different units (e.g., pieces, boxes, pallets).
  Proper configuration and mapping are essential for accurate inventory and warehouse management.
  
  
  
  Transactions:
  
  MM02 – Change Material Master
  CUNI – Units of Measure
  SPRO – Customizing Implementation Guide
  
  
  
  Notes and Documentation:
  
  Check SAP Notes related to unit of measure errors.
  Review SAP Help Portal documentation on Units of Measure and Warehouse Management.
  
  
  
  
  If you provide the exact context (e.g., transaction code, process step), I can help with more specific guidance.