How To Fix CN851 - Minimum duration must not exceed standard duration

CN851 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 851

• Message text: Minimum duration must not exceed standard duration

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.

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CN851 - Details

• The SAP error message CN851 ("Minimum duration must not exceed standard duration") typically occurs in the context of project management and network planning within SAP, particularly when dealing with activities in a project network. This error indicates that the minimum duration set for a particular activity is greater than the standard duration defined for that activity, which is not allowed.
  
  Cause:
  
  Incorrect Duration Settings: The minimum duration for an activity has been set to a value that exceeds the standard duration. This can happen due to manual entry errors or incorrect configuration.
  Project Planning Parameters: The project planning parameters may not be aligned correctly, leading to inconsistencies in duration settings.
  Activity Type Configuration: The configuration of the activity type may not be set up properly, causing conflicts between minimum and standard durations.
  
  
  Solution:
  
  
  Check Activity Durations:
  
  Go to the activity in question and review the duration settings.
  Ensure that the minimum duration is less than or equal to