How To Fix IWO_BAPI188 - Invalid value for calendar selection in order header

IWO_BAPI188 - Overview

• Message type: E = Error

• Message class: IWO_BAPI - BAPIs for ALM Orders: Messages

• Message number: 188

• Message text: Invalid value for calendar selection in order header

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IWO_BAPI188 - Invalid value for calendar selection in order header ?

  The SAP error message "IWO_BAPI188 Invalid value for calendar selection in order header" typically occurs when there is an issue with the calendar selection parameters in a work order or maintenance order. This error is often related to the configuration of the order's scheduling or the values being passed to the BAPI (Business Application Programming Interface) for creating or updating orders.
  
  Cause:
  
  
  Invalid Calendar Selection: The error indicates that the calendar selection value provided in the order header is not valid. This could be due to:
  
  An incorrect calendar ID being used.
  The calendar not being defined or active in the system.
  The calendar selection not matching the expected format or values.
  
  
  
  
  Configuration Issues: There may be issues with the configuration of the work center or the plant settings that define the calendar.
  
  
  Data Entry Errors: If the values are being entered manually or through a custom program, there may be a typo or incorrect value being