How To Fix PK045 - Control cycle has already been created by another user

PK045 - Overview

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 045

• Message text: Control cycle has already been created by another user

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 PK045 - Control cycle has already been created by another user ?

  The SAP error message PK045, which states "Control cycle has already been created by another user," typically occurs in the context of Production Planning (PP) and is related to the creation or modification of control cycles in the SAP system. This error indicates that another user is currently working on the same control cycle, which prevents you from making changes or creating a new one.
  
  Cause:
  
  Concurrent Access: The primary cause of this error is that another user has already created or is in the process of creating a control cycle for the same material or production process.
  Lock Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. When one user is editing a control cycle, it locks that record for other users until the first user completes their transaction.
  Session Timeout: Sometimes, if a user has an open session that has timed out, it may still hold a lock on the control