MJDGGES returns the following error code: 1

Dear all,
I am using Dynare 4.1.2 and I get the following error message:
MJDGGES returns the following error code: 1
Do you know what it means?
Thanks,
Giovanni
I am using Dynare 4.1.2 and I get the following error message:
MJDGGES returns the following error code: 1
Do you know what it means?
Thanks,
Giovanni