CJ087 - Error during scheduling. Save function not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 087

• Message text: Error during scheduling. Save function not 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 CJ087 - Error during scheduling. Save function not possible ?

  The SAP error message CJ087 ("Error during scheduling. Save function not possible") typically occurs in the context of project management within SAP, particularly when dealing with project structures, networks, or activities. This error indicates that there is an issue with the scheduling of a project or activity, which prevents the system from saving the changes.
  Causes:
  
  Missing or Incorrect Data: Required fields for scheduling may be missing or incorrectly filled out. This can include dates, durations, or dependencies.
  Conflicting Dates: The start and finish dates of activities may conflict with each other or with the overall project timeline.
  Resource Allocation Issues: Resources may not be properly allocated, or there may be conflicts in resource availability.
  Network Logic Errors: There may be issues with the network logic, such as circular dependencies or missing predecessor/successor relationships.
  System Configuration: There may be configuration issues in the project management settings that prevent proper scheduling.
  
  Solutions:
  
  Check Data Completeness: Ensure that all required fields are filled out correctly. Verify that all necessary data for scheduling is present.
  Review Dates: Check the start and finish dates of all activities to ensure they are logical and do not conflict with each other.
  Validate Resource Allocation: Ensure that resources are correctly assigned and that there are no conflicts in resource availability.
  Examine Network Logic: Review the network diagram for any logical errors, such as circular dependencies or missing links between activities.
  Use Scheduling Tools: Utilize SAP's scheduling tools to analyze and resolve scheduling conflicts. The "Schedule" function can help identify issues.
  Check for System Messages: Look for any additional error messages or warnings that may provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to project scheduling errors.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CJ20N (Project Builder) or CJ02 (Change Project) to access and modify project data.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CJ087.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the project or activity.
  Testing in a Sandbox: If possible, replicate the issue in a test environment to troubleshoot without affecting production data.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data setup in your SAP environment.