Answer :

Final answer:

Using a main subroutine to call Solver can create problems if the subroutine doesn't properly set up Solver's constraints, target cell, and variable cells or handle potential errors and recursions correctly, leading to Solver not functioning as intended or producing incorrect solutions.

Explanation:

When using Solver in applications such as Microsoft Excel, it is important to ensure that you structure your workbook correctly. If you have a main subroutine (sub) calling Solver, and it does not properly set up the constraints, target cell, or variable cells before calling Solver, or if Solver settings aren't accurately defined within the sub, this can lead to unexpected results or Solver may not function as intended. Additionally, any errors that occur during the execution of the main sub could prevent Solver from running at all. It's crucial to confirm that the Solver parameters are set correctly within the main sub and that the sub is error-free to avoid problems. Sometimes, Solver might also need to be triggered recurrently within a loop, and if the loop or recursion is not handled properly, it can cause Solver to either not run at all or produce incorrect solutions.

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