How To Fix C7035 - Scheduled start is before basic start date

SAP Error Message - Details

• Message type: E = Error

• Message class: C7 - Scheduling

• Message number: 035

• Message text: Scheduled start is before basic start date

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C7035 - Scheduled start is before basic start date ?

  The SAP error message C7035, which states "Scheduled start is before basic start date," typically occurs in the context of project management or production planning within SAP. This error indicates that there is a scheduling conflict where the planned start date of a task or activity is set before the basic start date defined for that task or activity.
  Cause:
  
  Incorrect Date Entry: The scheduled start date for a task or activity has been manually entered or calculated incorrectly, resulting in a date that precedes the basic start date.
  Dependencies and Constraints: There may be dependencies or constraints set on the task that are not being respected, leading to an invalid scheduling scenario.
  Configuration Issues: There could be issues with the configuration of the project or task settings that are causing the system to allow an invalid date entry.
  
  Solution:
  
  Check Dates: Review the scheduled start date and the basic start date for the task or activity. Ensure that the scheduled start date is on or after the basic start date.
  Adjust Scheduling: If the scheduled start date is incorrect, adjust it to a valid date that complies with the basic start date.
  Review Dependencies: Check for any dependencies or constraints that may affect the scheduling of the task. Ensure that all dependencies are correctly set up and that they allow for the desired scheduling.
  Configuration Review: If the issue persists, review the configuration settings for the project or task to ensure that they are set up correctly and that there are no conflicting settings.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on scheduling and date management within the module you are working with (e.g., Project System, Production Planning).
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as CJ20N (Project Builder) or CJI3 (Project Actual Line Items) to review and adjust project schedules.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to the project or task scheduling.
  
  By following these steps, you should be able to resolve the C7035 error and ensure that your scheduling aligns with the defined project parameters.