How To Fix 8A829 - First period must come before last period

SAP Error Message - Details

• Message type: E = Error

• Message class: 8A - Messages for Argentina

• Message number: 829

• Message text: First period must come before last period

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 8A829 - First period must come before last period ?

  The SAP error message 8A829 ("First period must come before last period") typically occurs in the context of financial reporting or planning when the specified date range for a report or transaction is invalid. This error indicates that the start date (first period) you have entered is after the end date (last period), which is logically incorrect.
  Cause:
  
  Incorrect Date Input: The most common cause is that the user has entered the dates in the wrong order. For example, if the first period is set to March and the last period is set to February, this error will occur.
  Configuration Issues: Sometimes, the error can arise from configuration settings in the system that define valid periods for reporting or transactions.
  Data Entry Errors: Manual data entry mistakes can lead to this error, such as typographical errors in the date fields.
  
  Solution:
  
  Check Date Inputs: Review the date fields where you have entered the first and last periods. Ensure that the first period is earlier than the last period.
  Correct the Order: If you find that the dates are in the wrong order, correct them so that the first period precedes the last period.
  Review Configuration: If the issue persists, check the configuration settings related to the periods in the relevant module (e.g., Financial Accounting, Controlling) to ensure they are set up correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction or report you are working with.
  Seek Help from IT Support: If you are unable to resolve the issue, consider reaching out to your IT support team or SAP administrator for assistance.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to financial reporting, such as FBL1N (Vendor Line Item Display), FBL3N (G/L Account Line Item Display), or during the execution of reports in the SAP system.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are trained on how to correctly enter date ranges in SAP to minimize the occurrence of this error.
  
  By following these steps, you should be able to resolve the error message 8A829 and proceed with your reporting or transaction activities in SAP.