[Attempto] SWI-Prolog: [FATAL ERROR: Saved state has incompatible VM signature]

[Dmitriy Fradkin]

Thanks!

On Thu, Jul 21, 2011 at 12:51 PM, Kaarel Kaljurand <kaljurand at gmail.com> wrote:
> Hi,
>
> On Thu, Jul 21, 2011 at 18:47, Dmitriy Fradkin <dfradkin at gmail.com> wrote:
>>
>> I had Windows XP on x64 machine and Attempto was working fine.
>> Now I upgraded to Windows 7 on the same machine and had to reinstall
>> SWI-Prolog (my Attempto install was backed up so I just copied them
>> back),
>> and I am getting
>>
>> SWI-Prolog: [FATAL ERROR: Saved state has incompatible VM signature]
>>
>> I have tried installing several different versions of SWI and can't
>> get rid of it.
>> Initially I was working within an IDE, and thought this could be due
>> to some problems with IDE setup, but then I tried command line:
>>
>>> ape -text "What is my name?"
>>
>> and got the same error.
>
> You need to recompile the saved state (ape.exe) whenever you switch
> SWI-Prolog versions or the underlying machine or the operating system.
>
> Hope this helps,
> Kaarel
>