How To Fix BC423 - Error in monthly rule: Invalid day, month, or week specified

BC423 - Overview

• Message type: E = Error

• Message class: BC - Scheduler (calendar)

• Message number: 423

• Message text: Error in monthly rule: Invalid day, month, or week specified

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BC423 - Error in monthly rule: Invalid day, month, or week specified ?

  The SAP error message BC423, which states "Error in monthly rule: Invalid day, month, or week specified," typically occurs in the context of scheduling or planning activities, particularly when dealing with periodic tasks or rules that are set up in the system. This error indicates that there is an issue with the configuration of a monthly rule, such as an invalid day, month, or week specification.
  Causes:
  
  Invalid Day Specification: The day specified in the monthly rule may not exist (e.g., specifying the 30th of February).
  Invalid Month Specification: The month specified may be out of range (e.g., specifying a month number greater than 12).
  Invalid Week Specification: If the rule is based on weeks, it may reference a week that does not exist in the specified month.
  Incorrect Configuration: The configuration of the scheduling or planning task may have been set up incorrectly, leading to invalid parameters.
  Data Entry Errors: Manual entry errors when setting