Confusing warning
lda_u_dump_coulomb_integrals
returns an error code for empirical DFT+U of -1, which results in the display of warnings like
** Warning:
** Unable to write time-dependent restart information.
lda_u_dump_coulomb_integrals
returns an error code for empirical DFT+U of -1, which results in the display of warnings like
** Warning:
** Unable to write time-dependent restart information.