Dear Sir/Madam

I am Thejas, final year Masters student at Central University of Kerala(India), my Masters project is on Gravitational waves. As a part of it I have to work with Einstein's toolkit, unfortunately I am having some error while running poisson par file, could you please guide me regarding this?, for clarification I am attaching the image and I would also like to know how to implement friend in einstein's toolkit.

Warm Regards