[modeller_usage] confused

["Jaimin Shah" <jaimin AT iitb.ac.in>]

Upon executing the MAKE_RESTRAINTS command, the following is displayed:

>> ENERGY; Differences between the model's features and restraints:
preppdf_449W> No atoms selected; no restraints will be selected.
preppdf_450E> Probably because no MODEL is in memory; use READ_MODEL.
recover____E> ERROR_STATUS >= STOP_ON_ERROR:        1       1

Upon executing the READ_MODEL command, I receive the following:

iatmcls_286W> MODEL atom not classified:  LEU:OT1  LEU

Please give your suggestions.
Thanking you,

Jaimin Shah
M.Sc. (Biotechnology)
I.I.T. Powai