How To Fix /SAPAPO/MSDP_SEASON026 - Season year &1 still being used in seasonal patterns

/SAPAPO/MSDP_SEASON026 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MSDP_SEASON -

• Message number: 026

• Message text: Season year &1 still being used in seasonal patterns

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.

/SAPAPO/MSDP_SEASON026 - Details

• The SAP error message /SAPAPO/MSDP_SEASON026 indicates that a specific season year (denoted by &1) is still being used in seasonal patterns within the SAP Advanced Planning and Optimization (APO) module. This typically occurs when you attempt to delete or modify a seasonal year that is actively referenced in existing seasonal patterns.
  
  Cause:
  The error is triggered when:
  
  You try to delete or change a seasonal year that is still linked to one or more seasonal patterns.
  The seasonal year is in use in planning books or other related objects.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Usage:
  
  Check which seasonal patterns are using the specified season year. You can do this by navigating to the relevant transaction in SAP APO (e.g., /SAPAPO/SEASON for seasonal patterns) and reviewing the patterns.
  
  
  
  Remove References:
  
  If you find that the seasonal year is indeed being used, you will need to either:
  Modify the seasonal patterns to remove the reference to the