How To Fix CNPOC_MSG_CLASS021 - Enter the corresponding network

CNPOC_MSG_CLASS021 - Overview

• Message type: E = Error

• Message class: CNPOC_MSG_CLASS - Message class for handling CNPOC function group.

• Message number: 021

• Message text: Enter the corresponding network

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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Smart SAP Assistant

• What is the cause and solution for SAP error message CNPOC_MSG_CLASS021 - Enter the corresponding network ?

  The SAP error message CNPOC_MSG_CLASS021 ("Enter the corresponding network") typically occurs in the context of project system (PS) or network management within SAP. This error indicates that the system expects a network assignment for a particular activity or task, but it has not been provided.
  
  Cause:
  
  Missing Network Assignment: The most common cause is that the user is trying to perform an action (like assigning an activity or a cost) without specifying a corresponding network.
  Incorrect Configuration: There may be issues with the configuration of the project or network settings in the system.
  Data Entry Error: The user may have overlooked entering the network number or may have entered it incorrectly.
  
  
  Solution:
  
  Enter the Network: Ensure that you enter the correct network number in the relevant field. This is usually done in the project or network planning screens.
  Check Project Structure: Verify that the project structure is correctly set up and that the network is properly assigned