Hi Malc,
I found this error last year and wrote some notes on the West-Wind threads. In my case anyway, it was related to adding members in the wrong sequence--referencing one member in the init() of another, before the latter had been instantiated. Here was that thread in case it helps:
http://www.west-wind.com/wwThreads/Default.asp?MsgId=0YP0EJO9Q-- Randy
>Hi Guys
>
>Heres a good one.
>
>Got some code which runs fine in VFP7
>I recompiled with VFP8 and when it runs I get the following error:
>
>"Cannot assign a class value to this member. (2070)"
>
>against line of code:
>
>This.ioItems = NewObject("cusVTCUSRESItems","cusVTCUSRESItems.prg")
>
>Now, I cannot find error 2070 in the VFP7, VFP8 or VFP9 Beta Help files
>
>Any ideas????
>
>
>Malc