How To Fix EWA151 - Enter a factory calendar

EWA151 - Overview

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 151

• Message text: Enter a factory calendar

What causes this issue?

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

System Response

The system cannot determine any <DS:DE.CALCORR>non-work days</>.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

EWA151 - Details

• The SAP error message EWA151, which states "Enter a factory calendar," typically occurs when a user attempts to perform an operation that requires a factory calendar to be specified, but none has been provided. This error is often encountered in various modules, such as Production Planning (PP) or Project System (PS), where scheduling and planning are dependent on the factory calendar.
  
  Cause:
  
  Missing Factory Calendar: The most common cause of this error is that the factory calendar has not been defined for the relevant plant or company code.
  Incorrect Configuration: The factory calendar may not be correctly assigned to the plant or may be inactive.
  User Input Error: The user may have forgotten to enter the factory calendar in the relevant field when creating or modifying a document.
  
  
  Solution:
  
  
  Define a Factory Calendar:
  
  Go to the transaction code SCAL (Define Factory Calendar).
  Create a new factory calendar if one does not exist, or modify an existing one to