Fitnesse throw error convert from Integer to Double when using data from fitnesse table as a variable

Question

I'm started with fitnesse with link http://www.fitnesse.org/FitNesse.FullReferenceGuide.UserGuide.WritingAcceptanceTests.SliM.DynamicDecisionTable
But i toke a error when convert from Integer to Double when using data from fitnesse table as a variable. How to fixing it

Answer 1

i found reason of this error I check Name of variable and catching that. Variable is not correct. i writen uppercase "C" in $totalCents therefore issues was resolved. Thanks