How To Fix CY340 - & &/&: Start date before actual finish date

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 340

• Message text: & &/&: Start date before actual finish date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CY340 - & &/&: Start date before actual finish date ?

  The SAP error message CY340 indicates that there is a problem with the scheduling of a project or task, specifically that the start date is set before the actual finish date. This can occur in various modules, such as Project System (PS) or Production Planning (PP), where scheduling and timelines are critical.
  Cause:
  
  Incorrect Date Entry: The start date of a task or project has been entered incorrectly, leading to a situation where it precedes the actual finish date.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  Changes in Scheduling: If there have been changes to the project or task scheduling, such as rescheduling or delays, the dates may not have been updated correctly.
  Dependencies and Constraints: There may be dependencies or constraints that have not been accounted for, leading to conflicting dates.
  
  Solution:
  
  Check Dates: Review the start and finish dates of the project or task in question. Ensure that the start date is set correctly and is after the actual finish date.
  Update Dates: If the start date is incorrect, update it to a date that is after the actual finish date.
  Review Dependencies: Check for any dependencies or constraints that may affect the scheduling of the task. Adjust them as necessary.
  Consult Documentation: If the issue persists, consult SAP documentation or your organization's SAP support team for further guidance.
  Testing: After making changes, test the scheduling again to ensure that the error does not reoccur.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CJ20N (Project Builder) or CJI3 (Project Actual Line Items) to review and edit project details.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the necessary permissions to make changes to project scheduling.
  Training: If you are frequently encountering this error, consider additional training on project scheduling within SAP to better understand how to manage dates and dependencies.
  
  By following these steps, you should be able to resolve the CY340 error and ensure that your project scheduling is accurate.