a question for help!

hekulai

December 2005 edited 12:18PM in FastReport 3.0

i write sum() function as follows :
[SUM(<frxDSMobileProfit."åˆå˜">,Band4)]
but after project run ,raise a error:
'sysmemo1: express error 'sum(<frxdsmobileprofit."stock">, band4)]':
';' expected'
Can you tell me why? thanks

a question for help&#33;