How To Fix MILL101 - Conversion factor of single-unit batch &2 of material &1 is inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL - Messages in IS Mill Products

• Message number: 101

• Message text: Conversion factor of single-unit batch &2 of material &1 is inconsistent

What causes this issue?

The conversion factor for batch &V2& of material &V1& is inconsistent.
The conversion factor produced the following stock quantity: &V4&
But the following stock exists for the batch: &V3&
The error may occur in particular circumstances as a result of the
following:
You are trying to cancel a material document, although stock already
exists in another place (other stock type, other storage location)
for the single-unit batch. The posting is not possible because there can
only be one single-unit batch in a system.

System Response

No goods movements are possible for this batch.

How to fix this error?

INCLUDE NA_SYSADMIN1

Procedure for System Administrators

Check if stock exists for this single-unit batch in another place. If
so, you must transfer the existing stock to another batch or make the
current posting to another batch.

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

Please compare the batch's total stock against the conversion factor of
the batch. If they differ,
correct the conversion factor for the batch
between the piece unit of measure and the base unit of measure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL101 - Conversion factor of single-unit batch &2 of material &1 is inconsistent ?

  The SAP error message MILL101 indicates that there is an inconsistency in the conversion factor of a single-unit batch for a specific material. This typically occurs in the context of batch management and material handling in SAP, particularly in the production and inventory management modules.
  Cause:
  The error arises when the conversion factor for a batch of a material does not match the expected value defined in the material master or batch master data. This can happen due to several reasons, including:
  
  Incorrect Batch Data: The batch data may have been incorrectly entered or modified, leading to discrepancies in the conversion factors.
  Material Master Configuration: The material master may not be configured correctly, particularly in the units of measure (UoM) settings.
  Changes in UoM: If there have been recent changes to the unit of measure settings for the material, it may not have been updated consistently across all batches.
  Data Migration Issues: If data was migrated from another system, inconsistencies may have been introduced during the migration process.
  
  Solution:
  To resolve the MILL101 error, you can follow these steps:
  
  
  Check Batch Data:
  
  Go to the batch management screen and check the details of the specific batch mentioned in the error message.
  Verify the conversion factor and ensure it matches the expected value.
  
  
  
  Review Material Master:
  
  Access the material master data for the material in question (transaction code MM03).
  Check the unit of measure settings and ensure that the conversion factors are correctly defined.
  
  
  
  Adjust Conversion Factors:
  
  If discrepancies are found, you may need to adjust the conversion factors in the batch or material master.
  Use transaction code MSC2N to change the batch data if necessary.
  
  
  
  Consistency Check:
  
  Perform a consistency check on the material and batch data to identify any other potential issues.
  You can use transaction code MM02 to make necessary adjustments.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific guidelines related to batch management and unit of measure settings.
  
  
  
  Testing:
  
  After making changes, conduct tests to ensure that the error is resolved and that the batch can be processed without issues.
  
  
  
  Related Information:
  
  Batch Management: Understand how batch management works in SAP, including the importance of maintaining consistent data across batches and materials.
  Unit of Measure (UoM): Familiarize yourself with how units of measure are defined and used in SAP, including conversion factors.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling this error.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or a consultant who specializes in SAP MM (Materials Management) or PP (Production Planning) modules for further assistance.