[kmymoney] [Bug 423287] New: Loan Payments Calculator Fails If Numbers Modified After "Calculate" is Pushed

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=423287

            Bug ID: 423287
           Summary: Loan Payments Calculator Fails If Numbers Modified
                    After "Calculate" is Pushed
           Product: kmymoney
           Version: git (master)
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: general
          Assignee: kmymoney-devel at kde.org
          Reporter: jmadero at usa.com
  Target Milestone: ---

SUMMARY
The "calculate" button in the loan creation wizard works the first time but
subsequently fails and gives error message: "You have entered mis-matching
information. Please modify your figures or leave one value empty to let
KMyMoney calculate it for you" if a number is modified post-calculation.

STEPS TO REPRODUCE
1. Set up a new loan;
2. On the "payment" tab - enter numbers for loan amount, interest rate, and
term
3. Push "calculate"
--calculation done correctly - "Payment (principal and interest)" should now be
filled with a value, potentially value in "balloon payment" depending on values
used in test
4. Modified the loan term (example: add 12 months, or 1 year)
5. Delete both values previously calculated (balloon and payment)
6. Push "calculate" again to calculate new value based on modified loan term

OBSERVED RESULT
Error dialog appears: "You have entered mis-matching information. Please modify
your figures or leave one value empty to let KMyMoney calculate it for you"


EXPECTED RESULT
A new calculation occurs incorporating modified term length


SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Bodhi Linux running Moksha


ADDITIONAL INFORMATION
Because of this bug, the only way I can get the calculation to work
post-modified loan is to start from scratch with the loan dialog.

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