backup failed

Trying to run local back, but it fails.

Here is the log file.

Date: 2017-10-10 06:47:00
Backup Method: reload
User Mode: pro
BackupGuard version: 1.1.55
Supported archive version: 5
Database prefix: wp_
Site URL: https://www.diligentdevelopments.co.uk
Home URL: https://www.diligentdevelopments.co.uk
Uploads path: /home/hp3-linc2-nfs1-w/361/268361/user/htdocs/wp-content/uploads
Site installation: standard
OS: Linux
Server: Apache
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.45 Safari/537.36
PHP version: 5.6.31
SAPI: cgi-fcgi
MySQL version: 5.6.36
Int size: 8
Int lib: gmp
Memory limit: 128M
Max execution time: 60
Disk free space: unknown
Environment: WordPress 4.7.4
Backup type: files,database

2017-10-10 06:47:00: Start backup
2017-10-10 06:47:00: Reload method set to ajax
2017-10-10 06:48:00: Start backup database
2017-10-10 06:48:00: Total tables to backup: 49
2017-10-10 06:48:00: Total rows to backup: 60666
2017-10-10 06:48:00: Start backup table: wp_options
2017-10-10 06:48:00: End backup table: wp_options
2017-10-10 06:48:00: Start backup table: wp_advps_optionset
2017-10-10 06:48:00: End backup table: wp_advps_optionset
2017-10-10 06:48:00: Start backup table: wp_advps_thumbnail
2017-10-10 06:48:00: End backup table: wp_advps_thumbnail
2017-10-10 06:48:00: Start backup table: wp_commentmeta
2017-10-10 06:48:00: End backup table: wp_commentmeta
2017-10-10 06:48:00: Start backup table: wp_comments
2017-10-10 06:48:00: End backup table: wp_comments
2017-10-10 06:48:00: Start backup table: wp_ewwwio_images
2017-10-10 06:48:00: End backup table: wp_ewwwio_images
2017-10-10 06:48:00: Start backup table: wp_gpi_page_blacklist
2017-10-10 06:48:00: End backup table: wp_gpi_page_blacklist
2017-10-10 06:48:00: Start backup table: wp_gpi_page_reports
2017-10-10 06:48:00: End backup table: wp_gpi_page_reports
2017-10-10 06:48:00: Start backup table: wp_gpi_page_stats
2017-10-10 06:48:00: End backup table: wp_gpi_page_stats
2017-10-10 06:48:00: Start backup table: wp_layerslider
2017-10-10 06:48:00: End backup table: wp_layerslider
2017-10-10 06:48:00: Start backup table: wp_links
2017-10-10 06:48:00: End backup table: wp_links
2017-10-10 06:48:00: Start backup table: wp_postmeta
2017-10-10 06:52:00: SGExceptionExecutionTimeError: Execution timeout error [File: /home/hp3-linc2-nfs1-w/361/268361/user/htdocs/wp-content/plugins/backup-guard-gold/com/core/backup/SGBackup.php, Line: 113, URL: /wp-admin/admin-ajax.php]