Proper way to restart geometry optimization

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I'm having problems restarting my geometry optimization jobs. I initially supplied the input coordinates and ran the optimization for 5 steps before the job canceled. However, when I try to restart the job using the restart keyword, it says no geometry was found. Any guidance on how to properly make a restart file would be very helpful. See my file below. Thanks!

argument  1 = restart.nw
NWChem w/ OpenMP: maximum threads = 2

======================== echo of input deck ========================

start Au
memory 2000 mb
scratch_dir /global/cscratch1/sd/florianj/nwchem_scratch/Au_O1
permanent_dir /global/cscratch1/sd/florianj/nwchem_scratch/Au_O1_p

task pspw optimize


             Northwest Computational Chemistry Package (NWChem) 6.8

                   Environmental Molecular Sciences Laboratory
Pacific Northwest National Laboratory
Richland, WA 99352

                             Copyright (c) 1994-2018
Pacific Northwest National Laboratory
Battelle Memorial Institute

            NWChem is an open-source computational chemistry package
distributed under the terms of the
Educational Community License (ECL) 2.0
A copy of the license is included with this distribution
in the LICENSE.TXT file


           This software and its documentation were developed at the
EMSL at Pacific Northwest National Laboratory, a multiprogram
national laboratory, operated for the U.S. Department of Energy
by Battelle under Contract Number DE-AC05-76RL01830. Support
for this work was provided by the Department of Energy Office
of Biological and Environmental Research, Office of Basic
Energy Sciences, and the Office of Advanced Scientific Computing.

          Job information

   hostname        = nid00623
program = /usr/common/software/nwchem/6.8.1/hsw/intel/
date = Tue Mar 17 09:34:24 2020

   compiled        = Tue_Jul_30_11:05:55_2019
source = /global/homes/s/swowner/friesen/nwchem
nwchem branch = Development
nwchem revision = nwchem_on_git-438-g33826b4cd
ga revision = 5.6.5
use scalapack = T
input = restart.nw
prefix = Au.
data base = /global/cscratch1/sd/florianj/nwchem_scratch/Au_O1_p/Au.db
status = startup
nproc = 30
time left = -1s

          Memory information

   heap     =   65535998 doubles =    500.0 Mbytes
stack = 65535995 doubles = 500.0 Mbytes
global = 131072000 doubles = 1000.0 Mbytes (distinct from heap & stack)
total = 262143993 doubles = 2000.0 Mbytes
verify = yes
hardfail = no

          Directory information

 0 permanent = /global/cscratch1/sd/florianj/nwchem_scratch/Au_O1_p
0 scratch = /global/cscratch1/sd/florianj/nwchem_scratch/Au_O1

                               NWChem Input Module

                          NWChem Geometry Optimization

hnd_opt: no geometry 911
current input line :
8: task pspw optimize
An error occured in the Runtime Database
For more information see the NWChem manual at

Forum Vet
By using the keyword start in your input file, you have wiped clean the results from the previous calculation. The keyword you should have used is restart, instead

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