How To Fix CN847 - Dates for network & activity & cannot be locked

CN847 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 847

• Message text: Dates for network & activity & cannot be locked

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 CN847 - Dates for network & activity & cannot be locked ?

  The SAP error message CN847 ("Dates for network & activity & cannot be locked") typically occurs in the context of project management and network scheduling within SAP. This error indicates that the system is unable to lock the dates for a specific network or activity, which can prevent changes from being made to the project schedule.
  Causes:
  
  Concurrent Access: Another user or process may be accessing the same network or activity, preventing the system from locking it for your transaction.
  Background Jobs: A background job may be running that is currently processing the same network or activity.
  Inconsistent Data: There may be inconsistencies in the data related to the network or activity that prevent it from being locked.
  Authorization Issues: The user may not have the necessary authorizations to lock the network or activity.
  System Configuration: There may be configuration settings in the project management module that are affecting the locking mechanism.
  
  Solutions:
  
  Check for Concurrent Users: Verify