Ошибка при обновлении Биллинга

: Use of undefined constant LANG_BILLING_SYSTEM_MPAY_API_KEY - assumed 'LANG_BILLING_SYSTEM_MPAY_API_KEY' in
/var/www/u0006953/data/www/мой_сайт/system/controllers/billing/systems/mpay/options.form.php
on line
14
 
Notice
: Use of undefined constant LANG_BILLING_SYSTEM_MPAY_API_SECRET - assumed 'LANG_BILLING_SYSTEM_MPAY_API_SECRET' in
/var/www/u0006953/data/www/мой_сайт/system/controllers/billing/systems/mpay/options.form.php
on line
21
 
Notice
: Use of undefined constant LANG_BILLING_SYSTEM_MPAY_CURRENCY - assumed 'LANG_BILLING_SYSTEM_MPAY_CURRENCY' in
/var/www/u0006953/data/www/мой_сайт/system/controllers/billing/systems/mpay/options.form.php
on line
28

: Use of undefined constant LANG_BILLING_SYSTEM_LIQPAY_PUBLIC_KEY - assumed 'LANG_BILLING_SYSTEM_LIQPAY_PUBLIC_KEY' in
/var/www/u0006953/data/www/мой_сайт/system/controllers/billing/systems/liqpay/options.form.php
on line
14
Notice
: Use of undefined constant LANG_BILLING_SYSTEM_LIQPAY_PRIVATE_KEY - assumed 'LANG_BILLING_SYSTEM_LIQPAY_PRIVATE_KEY' in
/var/www/u0006953/data/www/мой_сайт/system/controllers/billing/systems/liqpay/options.form.php
on line
21
Notice
: Use of undefined constant LANG_BILLING_SYSTEM_LIQPAY_CURRENCY - assumed 'LANG_BILLING_SYSTEM_LIQPAY_CURRENCY' in
/var/www/u0006953/data/www/мой_сайт/system/controllers/billing/systems/liqpay/options.form.php
on line
28
Notice
: Use of undefined constant LANG_BILLING_SYSTEM_LIQPAY_ACTION - assumed 'LANG_BILLING_SYSTEM_LIQPAY_ACTION' in
/var/www/u0006953/data/www/мой_сайт/system/controllers/billing/systems/liqpay/options.form.php
on line
41