The shell script is failing during provisioning process.

[ranopriyo-neogy]

==> amazon-ebs: Provisioning with shell script: /var/folders/bh/_7y69j4d7px5mh9lbdq5sz_m0000gn/T/packer-shell326769780
==> amazon-ebs: Uploading ./upload/ => /opt/deb_pkg
==> amazon-ebs: Uploading ./download/deb_pkg/ => /opt/src_files
==> amazon-ebs: Provisioning with shell script: ./bash-scripts/00--nginx-prep_install.sh
    amazon-ebs: 17-Mar-2021-18-25-29 | Updating system...
    amazon-ebs: 17-Mar-2021-18-26-06 | Downloading prerequisites...
==> amazon-ebs: Provisioning step had errors: Running the cleanup provisioner, if present...
==> amazon-ebs: Terminating the source AWS instance...
==> amazon-ebs: Cleaning up any extra volumes...
==> amazon-ebs: No volumes to clean up, skipping
==> amazon-ebs: Deleting temporary security group...
==> amazon-ebs: Deleting temporary keypair...
Build 'amazon-ebs' errored after 2 minutes 19 seconds: Script exited with non-zero exit status: 100.Allowed exit codes are: [0]

==> Wait completed after 2 minutes 19 seconds

==> Some builds didn't complete successfully and had errors:
--> amazon-ebs: Script exited with non-zero exit status: 100.Allowed exit codes are: [0]