How To Fix 72123 - Please specify a key for the working week

72123 - Overview

• Message type: E = Error

• Message class: 72 - Message Class for Time Management Reports

• Message number: 123

• Message text: Please specify a key for the working week

What causes this issue?

You have not used a two-character, alphanumeric key to specify the
working week.

System Response

You are required to specify a unique, two-character identifier to
define the working week. The initial value <ZH>BLANK</> is not allowed
and is rejected by the system.

How to fix this error?

Please enter a unique identifier in the appropriate column.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 72123 - Please specify a key for the working week ?

  The SAP error message 72123, "Please specify a key for the working week," typically occurs in the context of time management or personnel administration when the system requires a specific key to identify the working week for a particular employee or group of employees.
  
  Cause:
  
  Missing Configuration: The error often arises when the system is unable to find a defined working week key in the configuration settings. This could be due to the absence of a working week definition in the system.
  Incorrect Data Entry: If a user is trying to enter time data or create a work schedule without specifying the required working week key, this error will be triggered.
  User Authorization: Sometimes, the user may not have the necessary permissions to access or define the working week key.
  
  
  Solution:
  
  
  Define Working Week Key:
  
  Go to the configuration settings in SAP (usually through transaction code SPRO).
  Navigate to the relevant section for defining working times or work