How To Fix 4F155 - Please enter a valid UOM for line item & !

SAP Error Message - Details

• Message type: E = Error

• Message class: 4F - Message class for India localization

• Message number: 155

• Message text: Please enter a valid UOM for line item & !

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 4F155 - Please enter a valid UOM for line item & ! ?

  The SAP error message 4F155 ("Please enter a valid UOM for line item &!") typically occurs when a user tries to enter a line item in a transaction (such as a purchase order, sales order, or goods movement) without specifying a valid Unit of Measure (UOM). This error indicates that the system requires a valid UOM for the item being processed.
  Cause:
  
  Missing UOM: The line item does not have a UOM specified.
  Invalid UOM: The UOM entered is not recognized by the system or is not valid for the material being processed.
  Material Master Data Issues: The material may not have a UOM defined in its master data.
  Configuration Issues: There may be configuration issues in the system related to UOM settings.
  
  Solution:
  
  Check UOM Entry: Ensure that a valid UOM is entered for the line item. This can usually be done in the relevant field of the transaction.
  Verify Material Master Data:
  
  Go to the Material Master (transaction code MM03) and check if the UOM is defined for the material in question.
  Ensure that the UOM is maintained in the appropriate views (e.g., Basic Data, Purchasing, Sales).
  
  
  Check UOM Settings:
  
  Ensure that the UOM is defined in the system and is active. You can check this in the configuration settings (transaction code OME1 for UOM settings).
  
  
  Review UOM Conversion: If the material has multiple UOMs, ensure that the conversion factors are correctly defined.
  Consult Documentation: If you are unsure about the UOMs or how to configure them, refer to SAP documentation or consult with your SAP administrator or functional consultant.
  
  Related Information:
  
  Unit of Measure (UOM): UOM is a standard measurement used to quantify goods and services. Common UOMs include pieces (PC), kilograms (KG), liters (L), etc.
  Material Master: The material master is a central repository of information about materials in SAP. It contains data related to purchasing, sales, inventory management, and more.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), ME21N (Create Purchase Order), and others that may be relevant to your task.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team for further assistance.