Error in Qtspim

[John Losty]

I created this progam in MIPS and I don't know why I get the error below?

#
# Demo
#
# Filename: LoadImmidiate
#
       .data
       
       .text
       
       #Load some registers
       li  $t0, 0x0        #Load Immediate
       li  $t1, 0x1        #Load Immediate
       
       
       #Exit the program
       li  $v0, 10
       syscall

Memory and registers cleared

SPIM Version 9.1.18 of January 3, 2017
Copyright 1990-2017 by James Larus.
All Rights Reserved.
SPIM is distributed under a BSD license.
See the file README for a full copyright notice.
QtSPIM is linked to the Qt library, which is distributed under the GNU Lesser General Public License version 3 and version 2.1.
Exception occurred at PC=0x00000000
 Bad address in text read: 0x00000000
Attempt to execute non-instruction at 0x80000180