How To Fix CONOBJ004 - Control object already exists; no input possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CONOBJ - Control Objects for Background Processing

• Message number: 004

• Message text: Control object already exists; no input possible

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 CONOBJ004 - Control object already exists; no input possible ?

  The SAP error message CONOBJ004 ("Control object already exists; no input possible") typically occurs when you are trying to create or modify a control object (like a project, order, or other organizational unit) that already exists in the system. This error is often encountered in the context of project management, production planning, or other modules where control objects are used to manage resources and processes.
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the control object you are trying to create or modify already exists in the system. This can happen if:
  
  You are trying to create a new project or order with the same identifier as an existing one.
  There is a system error or inconsistency that has led to the same control object being registered multiple times.
  
  
  
  Incorrect Input: Sometimes, the input data might not be correctly formatted or might be referencing an existing object incorrectly.
  
  
  Authorization Issues: In some cases, the user may not have the necessary authorizations to create or modify the control object, leading to confusion about the existence of the object.
  
  
  Solution:
  
  
  Check Existing Control Objects: 
  
  Use transaction codes like CJ20N (for projects) or CO02 (for production orders) to search for the control object you are trying to create. Verify if it already exists.
  If it does exist, you may need to modify or use that existing object instead of creating a new one.
  
  
  
  Review Input Data: 
  
  Ensure that the data you are entering is correct and does not inadvertently reference an existing control object.
  Check for typos or incorrect identifiers.
  
  
  
  Consult with Your SAP Administrator: 
  
  If you suspect that there is a system error or inconsistency, consult with your SAP Basis or technical team to investigate further.
  They can check the database for duplicate entries or inconsistencies.
  
  
  
  Authorization Check: 
  
  Ensure that you have the necessary permissions to create or modify the control object. If not, contact your system administrator to obtain the required authorizations.
  
  
  
  Use Transaction Codes: 
  
  Use relevant transaction codes to check the status of the control object. For example, SE11 to check the data dictionary or SE16 to view table entries.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Review the SAP documentation for the specific module you are working with to understand the requirements and constraints for creating control objects.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the CONOBJ004 error and take appropriate action to resolve it.