How To Fix 1G406 - &1 &2: New start date: &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 1G - BKK: Konditionen

• Message number: 406

• Message text: &1 &2: New start date: &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1G406 - &1 &2: New start date: &3 ?

  The SAP error message 1G406 typically relates to issues with scheduling or planning in the context of project management or production planning. The message indicates that there is a conflict with the new start date being proposed for a task or project.
  Cause:
  The error message 1G406 can occur due to several reasons, including:
  
  Date Conflicts: The new start date conflicts with existing dates in the project or task schedule.
  Dependencies: There may be dependencies between tasks that prevent the new start date from being valid.
  Resource Availability: The resources required for the task may not be available on the new start date.
  Project Constraints: There may be constraints set in the project that do not allow for the proposed change in dates.
  
  Solution:
  To resolve the error message 1G406, consider the following steps:
  
  Check Existing Dates: Review the current start and finish dates of the task or project to ensure that the new start date does not conflict with them.
  Review Dependencies: Look at the dependencies between tasks to ensure that changing the start date does not violate any logical sequence.
  Resource Availability: Verify that the resources required for the task are available on the new start date. If not, consider adjusting the resource allocation or the task schedule.
  Adjust Constraints: If there are constraints set on the project or task, evaluate whether they can be modified to accommodate the new start date.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines related to scheduling and planning in your version of SAP.
  
  Related Information:
  
  Transaction Codes: You may need to use specific transaction codes (like CJ20N for project management or C223 for production planning) to access the relevant project or task 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 schedules or task dates.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in project management or production planning within SAP.