How To Fix VH145 - Material master record & does not have a base unit of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: VH - SD pricing

• Message number: 145

• Message text: Material master record & does not have a base unit of measure

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message VH145 - Material master record & does not have a base unit of measure ?

  Certainly! Here's a detailed explanation regarding the SAP error message VH145: Material master record & does not have a base unit of measure:
  
  Error Message
  VH145: Material master record & does not have a base unit of measure
  
  The & symbol is a placeholder for the material number in the actual message.
  
  
  Cause
  This error occurs because the material master record you are trying to use or reference does not have a base unit of measure (UoM) maintained in the material master data.
  
  The base unit of measure is a mandatory field in the material master.
  It defines the unit in which stock quantities are managed and transactions are processed.
  Without a base UoM, SAP cannot process inventory movements, sales, purchasing, or production activities for the material.
  
  
  When does this error typically occur?
  
  When creating or changing a material master record but the base unit of measure is missing or deleted.
  When trying to post goods movements, create purchase orders, or sales orders for a material without a base UoM.
  During integration processes where material data is referenced but incomplete.
  
  
  Solution
  
  
  Check and Maintain Base Unit of Measure:
  
  Go to transaction MM02 (Change Material Master).
  Enter the material number.
  Select the Basic Data 1 view.
  Ensure that the Base Unit of Measure field is filled with a valid unit (e.g., EA for each, KG for kilogram).
  Save the changes.
  
  
  
  If the material is newly created:
  
  Make sure to enter the base unit of measure during material creation (transaction MM01).
  
  
  
  If the base unit of measure was accidentally deleted or corrupted:
  
  Re-enter the base unit of measure in MM02.
  Check for any inconsistencies or data corruption in the material master.
  
  
  
  Check for Customizing or User Exits:
  
  Sometimes, custom code or validations might cause this error if they expect a base UoM.
  Review any user exits or BAdIs related to material master or inventory transactions.
  
  
  
  
  Additional Information
  
  The base unit of measure is critical because all other units of measure (sales unit, purchasing unit, etc.) are converted to this base unit for stock management.
  Changing the base unit of measure after stock has been posted is generally not allowed and can cause inconsistencies.
  If you need to change the base unit of measure, you may need to create a new material or perform complex data migration steps.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  VH145: Material master record & does not have a base unit of measure
  
  
  Cause
  Missing or empty base unit of measure in material master record
  
  
  Solution
  Maintain a valid base unit of measure in MM02 (Basic Data 1 view)
  
  
  Transaction Codes
  MM01 (Create Material), MM02 (Change Material)
  
  
  Notes
  Base UoM is mandatory for inventory and transaction processing
  
  
  
  
  If you need help with the exact steps or have a specific scenario, feel free to ask!