The size of arrays in pre-VFP9 versions is limited to 65000 items. With 4 columns it comes down to 16250 rows. It's documented in Visual FoxPro System Capacities help topic.

>The following snippet has been in my program for over 4 years now....
>
>
>IF USED("nameplatv") AND RECCOUNT("nameplatv") > 0
> PUBLIC gaRecords
> DIMENSION gaRecords(RECCOUNT("nameplatv"),4) && Establish array
> .......
>
>
>Nameplatv is a cursor that contains the currrently selected customer's nameplate records.
>
>Why would the line DIMENSION gaRecords(RECCOUNT("nameplatv"),4) all of a sudden start returning the error "Invalid Subscript Reference"?
>
>Is there a limitation on the DIMENSION command? I've read the help menu and have seen nothing to indicate that.
>
>The customer record I'm dealing with has 16,357 records.