How To Fix CN505 - Service lines for service activity & & cannot be empty

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 505

• Message text: Service lines for service activity & & cannot be empty

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 CN505 - Service lines for service activity & & cannot be empty ?

  The SAP error message CN505 indicates that service lines for a service activity cannot be empty. This error typically occurs in the context of service management or project management within SAP, particularly when dealing with service activities in a project or service order.
  Cause:
  The error is triggered when you attempt to save or process a service activity that does not have any associated service lines. Service lines are essential as they define the specific services being provided, including details such as quantity, unit of measure, and pricing. If these lines are missing, SAP cannot proceed with the transaction.
  Solution:
  To resolve the CN505 error, you should ensure that the service activity has at least one service line associated with it. Here are the steps you can take:
  
  
  Check Service Activity: Navigate to the service activity in question and verify that it has been properly defined.
  
  
  Add Service Lines:
  
  Go to the service activity details.
  Look for a section or tab where you can add service lines.
  Enter the necessary details for the service lines, including:
  
  Service description
  Quantity
  Unit of measure
  Pricing information (if applicable)
  
  
  
  
  
  Save Changes: After adding the required service lines, save your changes and try to process the service activity again.
  
  
  Validation: Ensure that all mandatory fields are filled out correctly. Sometimes, other related fields may also need to be populated to avoid similar errors.
  
  
  Related Information:
  
  Transaction Codes: Depending on your SAP version, you might be using transaction codes like CJ20N (Project Builder) or IW31/IW32 (Service Order) to manage service activities.
  User Authorizations: Ensure that you have the necessary authorizations to modify service activities and add service lines.
  SAP Notes: Check for any relevant SAP Notes or documentation that might provide additional context or updates related to this error.
  Consult Documentation: Refer to your organization's SAP documentation or user manuals for specific procedures related to service activities and service lines.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.