Custom Reports -Customer Balance

What is EC.Member for? Your using 6 fields but defined only 4 columns.

I see another mistake you had…

Try this:

[Member Balance:5,5,5, 5]
>Member ID|Name|Address|Balance
{REPORT ENTITY DETAILS:EC.Member ID,E.Name,EC.Address,E.Balance.sum:(ET=Members) && E.AccountId>0:::$4!=0}