How To Fix 5N251 - With this processing, a unit and a number must be filled in

5N251 - Overview

• Message type: E = Error

• Message class: 5N - HR NL: Error Messages for Infotype Module Pools (NL)

• Message number: 251

• Message text: With this processing, a unit and a number must be filled in

What causes this issue?

You have chosen one of the two processing types 'Statutary' or
'Mandatory' for this <ZK>Eligibility for Permanent Invalidity Benefit
(Restrictions) Act</> activity. A unit and a number must be entered for
these processing types.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Fill a unit and a number in, or change the processing type of this
activity.

Error message extract from SAP system. Copyright SAP SE.

5N251 - Details

• The SAP error message 5N251, which states "With this processing, a unit and a number must be filled in," typically occurs in scenarios where a quantity or measurement unit is required but has not been provided in the relevant transaction or document. This error is common in various SAP modules, including Materials Management (MM) and Sales and Distribution (SD).
  
  Cause:
  
  Missing Quantity or Unit: The most common cause is that the user has not entered a quantity or a unit of measure in a field that requires it.
  Incorrect Configuration: There may be configuration issues in the material master or the document type that require certain fields to be filled.
  Data Entry Error: Users may inadvertently skip fields or enter data in the wrong format, leading to this error.
  Custom Enhancements: If there are custom enhancements or user exits in place, they might be enforcing additional checks that are not standard.
  
  
  Solution:
  
  Check Input Fields: Ensure that