MJDGGES returns the following error code: 6

I’m a beginner working with Dynare and trying to estimate a new keynesian model, but always get this error code:

MJDGGES returns the following error code: 6

I’m not sure, if the error occurs, because of i specified wrong steady state vlaues or if the model itself is wrong. Changing the parameters and the steady state values doesn’t remove the error.
I’m using the STEADY_STATE operator and think, i missspecified something. Does anybody of you find the error?
Thank your for your help
model.mod (1.02 KB)

Delete the inital values. Your model is linear and hence the steady state is 0 for all variables. And most importantly, in the parameter declaration, change the
phi_phi=1.5;
to
phi_pi=1.5;
as it is meant to be.

Thank you very mucht for your help!
Now it works without any problems