How To Fix /SAPAPO/CAL057 - Calendar &1: Period (&2;&3) can not be created, entry already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CAL -

• Message number: 057

• Message text: Calendar &1: Period (&2;&3) can not be created, entry already exists

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/CAL057 - Calendar &1: Period (&2;&3) can not be created, entry already exists ?

  The SAP error message /SAPAPO/CAL057 indicates that there is an attempt to create a calendar period that already exists in the system. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when working with calendars and planning periods.
  
  Cause:
  The error is caused by the following:
  
  You are trying to create a calendar period (e.g., a week, month, or year) that has already been defined in the system.
  The specified period (identified by the parameters &2 and &3) overlaps with an existing period in the calendar &1.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Calendar Entries:
  
  Go to the transaction code /SAPAPO/CAL (or the relevant transaction for calendar management).
  Review the existing calendar entries to see if the period you are trying to create already exists.
  
  
  
  Modify or Delete Existing Period:
  
  If the period already exists and you need to create a new one, consider modifying the existing period if