How To Fix JO030 - First selected object already reached

SAP Error Message - Details

• Message type: E = Error

• Message class: JO - Project Information System: All Overviews

• Message number: 030

• Message text: First selected object already reached

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message JO030 - First selected object already reached ?

  The SAP error message JO030, which states "First selected object already reached," typically occurs in the context of SAP's Project System (PS) or when working with network activities in project management. This error indicates that the system has encountered a situation where it cannot proceed with the selection of objects because the first selected object has already been reached or processed.
  Cause:
  
  Duplicate Selection: The error often arises when there is an attempt to select or process the same object multiple times in a sequence where it is not allowed.
  Incorrect Sequence: The processing sequence of activities or objects may not be followed correctly, leading to the system trying to access an object that has already been processed.
  Configuration Issues: There may be configuration settings in the project or network that are causing conflicts or incorrect behavior.
  
  Solution:
  
  Check Object Selection: Review the objects you are trying to select or process. Ensure that you are not attempting to select the same object more than once.
  Review Processing Sequence: Ensure that the sequence of processing activities is correct. Follow the defined workflow or sequence as per the project requirements.
  Reinitialize the Process: If the error persists, try to reinitialize the process or transaction you are working on. This may involve exiting the transaction and starting over.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the transaction or process you are working on.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to error messages.
  Contact Support: If the issue cannot be resolved through the above steps, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes in SAP Project System (e.g., CJ20N for project planning).
  SAP Notes: Check SAP Notes for any known issues or fixes related to the JO030 error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed and resolved.
  
  By following these steps, you should be able to diagnose and resolve the JO030 error in your SAP environment.