How To Fix 3L809 - The reference period must be one whole month.

3L809 - Overview

• Message type: E = Error

• Message class: 3L - HR: Messages for Mexico

• Message number: 809

• Message text: The reference period must be one whole month.

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 3L809 - The reference period must be one whole month. ?

  The SAP error message 3L809 ("The reference period must be one whole month") typically occurs in the context of financial or controlling transactions where a reference period is expected to be a complete month. This error can arise in various SAP modules, such as SAP Controlling (CO) or SAP Financial Accounting (FI), when users attempt to enter or process data that does not conform to the expected monthly period format.
  
  Cause:
  The error is triggered when:
  
  The reference period specified in the transaction is not a complete month (e.g., it could be a specific day or a range that does not cover an entire month).
  The system is configured to only accept whole months for certain operations, such as reporting, planning, or budgeting.
  There may be a mismatch between the fiscal year variant settings and the period being entered.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the Reference Period: Ensure that the reference