I dont know why it gives the first warnings about not being able to find models. None of those seem to be models. The only time the "current_offset" string appears in my netlist is here:

.subckt analog_subsystem cycle_end ibias imon ioc islope overcurrent sense_fet sense_fet_kelvin
+ sw_node timeout vcomp vdd vfb vref vss
Xmodulator_0 modulator_0/cmp_bias modulator_0/cmp_bias_2 modulator_0/current_offset
+ cycle_end ioc modulator_0/isense islope overcurrent timeout vcomp vdd vss modulator
Xfolded_cascode_p_in_0 folded_cascode_p_in_0/ibias vfb vref vcomp vdd vss folded_cascode_p_in
Xbias_distribution_0 modulator_0/cmp_bias modulator_0/cmp_bias_2 modulator_0/current_offset
+ ibias current_sense_0/ibias folded_cascode_p_in_0/ibias vdd vss bias_distribution
Xcurrent_sense_0 current_sense_0/ibias imon modulator_0/isense sense_fet sense_fet_kelvin
+ sw_node vdd vss current_sense
.ends