Undefined symbol _nrnmpi_myid referenced from nrnmech.dll

Meena · Post by **Meena** » Fri May 11, 2007 11:13 am

Hi,

I have Neuron 5.9 already installed in my personal computer - everything runs and works fine.

But when I tried installing Neuron 5.9 into another machine and running my files from here, I am prompted with this error:

loading membrane mechanisms from nrnmech.dll

Undefined symbol _nrnmpi_myid referenced from nrnmech.dll

Can you please advice as to why this is happening and what I can do?
I tried looking up this error - but I am still clueless as to what it is.

Thanks,
Meena

Post by **ted** » Sat May 12, 2007 9:42 am

Perhaps the two machines have different versions of NEURON installed. On the machine
that gives the error message, delete nrnmech.dll and any .c and .o files, then run mknrndll,
and try again.

Meena · Post by **Meena** » Fri May 18, 2007 9:30 am

Hi again,

I tried deleting nrnmech.dll and any .c and .o files, then running mknrndll,
but that did not work.

I ended up having to remove Neuron and re-installing it but that worked!!!

Thanks so much!
Meena