Issue a SUSPEND just before the REPLACE and then check in the debugger for the Type and Value of both Fld4 and Val4 and if Val4 exists. I know this is simplistic but sometimes it's the smallest things that are missed.

>Hi Bruce,
>yes, I get som values that have been entered in one of the pages of a pgf, do my calculations on local variables and thats it. All the data is correct. It's just the replace
>
>>Silvio,
>>PMFJI but is "val4" calculated in the same method in which you are doing your replaces? Seems too basic, but I thought I would ask.