How To Fix 68638 - Items without a ref. unit can only be processed individually

68638 - Overview

• Message type: E = Error

• Message class: 68 - Message for DARWIN Loans (continued)

• Message number: 638

• Message text: Items without a ref. unit can only be processed individually

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 68638 - Items without a ref. unit can only be processed individually ?

  The SAP error message 68638, "Items without a ref. unit can only be processed individually," typically occurs in the context of inventory management or procurement processes when you are trying to process multiple items that do not have a reference unit of measure defined. This can happen in various transactions, such as goods movements, purchase orders, or inventory adjustments.
  
  Cause:
  
  Missing Reference Unit of Measure: The items you are trying to process do not have a reference unit of measure defined in the material master. The reference unit of measure is necessary for certain operations, especially when dealing with multiple items.
  Batch Processing Restrictions: SAP restricts batch processing of items that lack a reference unit of measure to prevent inconsistencies in inventory management and reporting.
  Transaction Type: The specific transaction you are using may require that all items have a reference unit of measure to be processed in bulk.
  
  
  Solution:
  
  
  Check Material Master: 
  
  Go to the