error on net value on payments

[rslemer]

In my test, I need inform a expression always with a decimal point right?

I setting user with a Brazilian stadand. but when I try using a expression with comma, system shows

Fatal error: Uncaught Exception: Was expecting a close bracket in /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc:97 Stack trace: #0 /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc(188): VTExpressionParser->atom() #1 /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc(176): VTExpressionParser->unaryOp() #2 /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc(166): VTExpressionParser->binOpPrec(-1) #3 /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc(166): VTExpressionParser->binOpPrec(0) #4 /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc(166): VTExpressionParser->binOpPrec(1) #5 /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc(166): VTExpressionParser->binOpPrec(2) #6 /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/V in /usr/share/eCRM/ecrmweb-master/modules/com_vtiger_workflow/expression_engine/VTParser.inc on line 97


example

I wish, add a more than one field, to calculte a cost and a financial cost ( with credicard )

(amount * 0.03) + cf_1045 ( works, only I use a decimal point ) if I user a comma, system shows message above ...