How To Fix 5U121 - Enter both number and units or leave both empty

SAP Error Message - Details

• Message type: E = Error

• Message class: 5U - HR US: Messages

• Message number: 121

• Message text: Enter both number and units or leave both empty

What causes this issue?

You have only partially filled the criteria for the waiting period.

System Response

The system cannot process only one entry of this combination.

How to fix this error?

Enter both the number and unit or leave both fields empty.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5U121 - Enter both number and units or leave both empty ?

  The SAP error message 5U121 ("Enter both number and units or leave both empty") typically occurs in scenarios where a user is required to input a quantity and its corresponding unit of measure, but the input is incomplete or inconsistent. This error is common in various SAP transactions, especially those related to inventory management, material master data, or production planning.
  Cause:
  The error arises when:
  
  A user enters a value in the quantity field but leaves the unit of measure field empty.
  A user enters a value in the unit of measure field but leaves the quantity field empty.
  Both fields are filled, but the values do not correspond correctly (e.g., a unit of measure that does not match the quantity).
  
  Solution:
  To resolve this error, you should ensure that:
  
  
  Both Fields are Filled: If you are entering a quantity, make sure to also enter a corresponding unit of measure. For example, if you enter "10" in the quantity field, you should also specify the unit of measure (e.g., "KG", "L", "EA").
  
  
  Both Fields are Empty: If you do not have a quantity or unit of measure to enter, ensure that both fields are left empty.
  
  
  Correct Units: Ensure that the unit of measure you are using is valid for the quantity you are entering. For example, if you are entering a weight, make sure the unit of measure is appropriate for weight (like KG or LB).
  
  
  Check Configuration: If you are consistently facing this issue, it may be worth checking the configuration settings in SAP related to units of measure and quantity fields to ensure they are set up correctly.
  
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes, such as MIGO (Goods Movement), ME21N (Create Purchase Order), or when entering data in material master records.
  User Training: Ensure that users are trained on the importance of entering both fields correctly to avoid this error in the future.
  SAP Notes: Check SAP Notes or the SAP Support Portal for any specific notes related to this error message, as there may be updates or patches that address related issues.
  
  By following these guidelines, you should be able to resolve the error and proceed with your transaction in SAP.