How To Fix AH123 - Enter only one value for the period &1 to &2

AH123 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 123

• Message text: Enter only one value for the period &1 to &2

What causes this issue?

You have specified more than one operand value for the period &V1& to
&V2&. This is not permitted.

System Response

How to fix this error?

Delete the additional operand values or adjust them to suit the
validity periods so that these periods no longer overlap.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH123 - Enter only one value for the period &1 to &2 ?

  The SAP error message AH123, which states "Enter only one value for the period &1 to &2," typically occurs when a user attempts to input multiple values for a time period in a transaction or report where only a single value is expected. This can happen in various SAP modules, particularly in financial or controlling transactions.
  
  Cause:
  The error is triggered when:
  
  The user tries to enter a range of values (e.g., multiple periods) in a field that only accepts a single value.
  The input format is incorrect, leading the system to interpret the input as multiple values.
  There may be a misunderstanding of the field's requirements, where the user expects to input a range but the system only allows for a single entry.
  
  
  Solution:
  To resolve the AH123 error, follow these steps:
  
  
  Check Input Fields: Review the fields where you are entering data. Ensure that you are only entering a single value for the period. If the