How To Fix /SAPAPO/RELH028 - Period &1 and &2 are overlapped

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RELH -

• Message number: 028

• Message text: Period &1 and &2 are overlapped

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RELH028 - Period &1 and &2 are overlapped ?

  The SAP error message /SAPAPO/RELH028 indicates that there is an overlap in the time periods defined in your planning or scheduling data. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you are trying to create or modify a planning object (like a planning book, key figure, or data view) that has overlapping time periods.
  Cause:
  The error is caused by the following scenarios:
  
  Overlapping Time Periods: You are trying to define or use two time periods that overlap with each other. For example, if you have a planning period from January 1 to January 10 and another from January 5 to January 15, this will trigger the error.
  Incorrect Configuration: The configuration of your planning books or data views may not be set up correctly, leading to overlapping periods.
  Data Entry Errors: Manual entry of periods in planning books or data views may have resulted in overlaps.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Time Periods: Review the time periods defined in your planning books, key figures, or data views. Ensure that there are no overlaps. Adjust the periods so that they are distinct and do not overlap.
  
  
  Modify Planning Books: If you are using planning books, check the settings for the planning book and ensure that the periods are defined correctly. You may need to adjust the settings in the planning book configuration.
  
  
  Data Validation: Validate the data entries in your planning book or data view. Look for any entries that may have been incorrectly defined and correct them.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on defining time periods in your version of SAP APO.
  
  
  Testing: After making adjustments, test the changes to ensure that the error no longer occurs.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Transaction Codes: Familiarize yourself with transaction codes related to planning books and data views, such as /SAPAPO/SDP94 for planning book maintenance.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPAPO/RELH028 error message.