Cannot load Zend OPcache - it was already loaded

NextCloudPi v1.17.1 is up to date
Last login: Wed Oct 2 09:54:23 2019 from xx.xxx.xx.xxx
:~ $ sudo locate opcache.ini
/etc/php/7.3/cli/conf.d/10-opcache.ini
/etc/php/7.3/cli/conf.d/20-opcache.ini
/etc/php/7.3/fpm/conf.d/10-opcache.ini
/etc/php/7.3/fpm/conf.d/20-opcache.ini
/etc/php/7.3/mods-available/opcache.ini
/usr/share/php7.3-opcache/opcache/opcache.ini
/var/lib/ucf/cache/:etc:php:7.3:mods-available:opcache.ini
pi@pi3:~ $ sudo locate *0-opcache.ini
/etc/php/7.3/cli/conf.d/10-opcache.ini
/etc/php/7.3/cli/conf.d/20-opcache.ini
/etc/php/7.3/fpm/conf.d/10-opcache.ini
/etc/php/7.3/fpm/conf.d/20-opcache.ini
:~ $ cat /etc/php/7.3/cli/conf.d/20-opcache.ini
zend_extension=opcache.so
opcache.enable=1
opcache.enable_cli=1
opcache.fast_shutdown=1
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=10000
opcache.memory_consumption=128
opcache.save_comments=1
opcache.revalidate_freq=1
opcache.file_cache=/var/www/nextcloud/data/.opcache
:~ $ cat /etc/php/7.3/cli/conf.d/10-opcache.ini
zend_extension=opcache.so
opcache.enable=1
opcache.enable_cli=1
opcache.fast_shutdown=1
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=10000
opcache.memory_consumption=128
opcache.save_comments=1
opcache.revalidate_freq=1
opcache.file_cache=/var/www/nextcloud/data/.opcache

:~ $ sudo rm /etc/php/7.3/fpm/conf.d/20-opcache.ini
:~ $ sudo rm /etc/php/7.3/cli/conf.d/20-opcache.ini
:~ $ exit

https://github.com/nextcloud/nextcloudpi/issues/416
https://help.nextcloud.com/t/ncp-backup-with-data-fails-with-i-o-error/61240/2