Problem after update

HI,
after update plugin to version: 1.2.15
it causes error:

Fatal error: Uncaught Error: Undefined constant "DBVERSION" in /home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-content/plugins/iq-block-country/libs/blockcountry-logging.php:56 Stack trace: #0 /home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-content/plugins/iq-block-country/iq-block-country.php(151): iqblockcountry_update_db_check() #1 /home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-content/plugins/iq-block-country/iq-block-country.php(208): iqblockcountry_upgrade() #2 /home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-admin/includes/plugin.php(2313): include_once('/home/436091.cl...') #3 /home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-admin/plugins.php(192): plugin_sandbox_scrape() #4 {main} thrown in /home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-content/plugins/iq-block-country/libs/blockcountry-logging.php on line 56

Warning: file_get_contents(/home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-content/plugins/redis-cache-pro.php): Failed to open stream: No such file or directory in /home/436091.cloudwaysapps.com/ppcfpfjbub/public_html/wp-includes/functions.php on line 6633

can you please check that?
thank you
stepan