How To Fix I4191 - Enter the unit

I4191 - Overview

• Message type: E = Error

• Message class: I4 - WCM: Work Clearance Management

• Message number: 191

• Message text: Enter the unit

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message I4191 - Enter the unit ?

  The SAP error message I4191 ("Enter the unit") typically occurs when a user is trying to enter a quantity in a transaction that requires a unit of measure, but the unit of measure field is either empty or not properly filled. This error is common in various SAP modules, especially in inventory management, purchasing, or sales order processing.
  
  Cause:
  
  Missing Unit of Measure: The most common cause is that the unit of measure field is left blank when it is required.
  Incorrect Configuration: The material master data may not be properly configured with the necessary units of measure.
  Data Entry Error: The user may have overlooked entering the unit of measure while filling out the transaction.
  Transaction Type: Certain transaction types may require specific units of measure that are not being provided.
  
  
  Solution:
  
  Enter the Unit of Measure: Ensure that you fill in the unit of measure field with the appropriate value (e.g., EA for each, KG