How To Fix TU101 - If you maintain 'Corr. holiday' you must also maintain 'Factory cal.ID'

TU101 - Overview

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 101

• Message text: If you maintain 'Corr. holiday' you must also maintain 'Factory cal.ID'

What causes this issue?

If you have made an entry in the <LS>Corr. holiday</> field (correct
holiday to workday), then you must also maintain the <LS>Factory
cal.ID</> field (factory calendar ID). Specification of a correction
has no effect unless a factory calender is also specified.

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?

You have the following options:
Enter a factory calendar ID.
Delete the entry in the <LS>Corr. holiday</> field.

Error message extract from SAP system. Copyright SAP SE.

TU101 - Details

• The SAP error message TU101 indicates that when you are trying to maintain a "Corr. holiday" (Correction holiday) in the system, you must also provide a corresponding "Factory calendar ID." This error typically arises in the context of time management or personnel administration modules where holiday calendars are defined.
  
  Cause:
  The error occurs because the system requires a factory calendar ID to be associated with the correction holiday. The factory calendar defines the working days and holidays for a specific plant or organizational unit. If you attempt to maintain a correction holiday without specifying the factory calendar, the system cannot determine how this holiday interacts with the working days defined in the factory calendar.
  
  Solution:
  To resolve this error, you need to ensure that you maintain both the correction holiday and the factory calendar ID. Here are the steps to do this:
  
  
  Access the relevant configuration or maintenance transaction: Depending on your SAP version, this