How To Fix CNV_CDMC_CA263 - Enter exactly one system with role 'S'

CNV_CDMC_CA263 - Overview

• Message type: E = Error

• Message class: CNV_CDMC_CA - CDMC Clearing Analysis

• Message number: 263

• Message text: Enter exactly one system with role 'S'

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.

CNV_CDMC_CA263 - Details

• The SAP error message CNV_CDMC_CA263 indicates that the system expects exactly one system to be defined with the role 'S' (which typically stands for "Source" system) in the context of a data conversion or migration process. This error usually arises during the execution of a conversion program or when setting up a system landscape for data migration.
  
  Cause:
  
  Multiple Source Systems Defined: There may be more than one system defined with the role 'S' in the configuration, which violates the requirement of having exactly one source system.
  No Source System Defined: Conversely, if no system is defined with the role 'S', the process cannot proceed.
  Incorrect Configuration: The configuration settings for the system landscape may not be set up correctly, leading to ambiguity in identifying the source system.
  
  
  Solution:
  
  
  Check System Configuration:
  
  Go to the relevant transaction (often CNV_XXX related transactions) where the system landscape is defined.
  Verify the list of systems and their assigned roles.
  Ensure that there