How To Fix PCA071 - Calculated basic finish date &1 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: PCA - Message Class for Production Campaign

• Message number: 071

• Message text: Calculated basic finish date &1 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PCA071 - Calculated basic finish date &1 not possible ?

  The SAP error message PCA071 "Calculated basic finish date &1 not possible" typically occurs in the context of project management or production planning within SAP. This error indicates that the system is unable to calculate a valid basic finish date for a project or task based on the provided data.
  Causes:
  
  Missing or Incorrect Data: The project or task may have missing or incorrect data, such as start dates, durations, or dependencies that prevent the system from calculating a finish date.
  Scheduling Conflicts: There may be scheduling conflicts, such as overlapping tasks or resources that are not available.
  Invalid Parameters: The parameters set for the project or task may not be valid, leading to an inability to calculate the finish date.
  Calendar Issues: The work calendar may not be set up correctly, leading to issues in determining working days and hours.
  Resource Constraints: If resources are not available or are over-allocated, it may prevent the calculation of a finish date.
  
  Solutions:
  
  Check Data Integrity: Review the project or task data to ensure that all necessary fields (start date, duration, dependencies) are filled out correctly.
  Review Scheduling: Look for any scheduling conflicts or overlapping tasks that may be causing the issue. Adjust the schedule as necessary.
  Validate Parameters: Ensure that all parameters related to the project or task are valid and correctly configured.
  Examine Work Calendar: Check the work calendar settings to ensure that they are correctly defined and that there are no holidays or non-working days that could affect scheduling.
  Resource Allocation: Review resource allocation to ensure that resources are available and not over-allocated. Adjust resource assignments if necessary.
  Use Transaction Codes: Utilize relevant transaction codes (like CJ20N for project management) to analyze and adjust project details.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Refer to SAP documentation for project management and production planning for detailed guidelines on scheduling and resource management.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.