Spiel das mal via phpMyAdmin ein:
DROP TABLE IF EXISTS `paypal_config`;
CREATE TABLE `paypal_config` (
`config_key` VARCHAR(128) COLLATE latin1_german1_ci NOT NULL,
`config_value` text COLLATE latin1_german1_ci NOT NULL,
KEY `idx_config_key` (`config_key`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_german1_ci;
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_CLIENT_ID_LIVE','');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_SECRET_LIVE','');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_CLIENT_ID_SANDBOX','');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_SECRET_SANDBOX','');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_MODE','live');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_CONFIG_INVOICE_PREFIX','');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_TRANSACTION_TYPE','sale');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_CAPTURE_MANUELL','0');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_ADD_CART_DETAILS','1');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_ORDER_STATUS_SUCCESS_ID','39');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_ORDER_STATUS_REJECTED_ID','21');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_ORDER_STATUS_PENDING_ID','40');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_ORDER_STATUS_TMP_ID','38');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_ORDER_STATUS_CAPTURED_ID','41');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_ORDER_STATUS_REFUNDED_ID','42');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_LOG_ENALBLED','1');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_LOG_LEVEL','ERROR');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_STANDARD_PROFILE','XP-LG4B-8ZGD-LQB4-RZVH');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('XP-LG4B-8ZGD-LQB4-RZVH_TIME','1467720345');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('XP-LG4B-8ZGD-LQB4-RZVH_ADDRESS','1');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_PAYPALCLASSIC_DE_PROFILE','XP-LG4B-8ZGD-LQB4-RZVH');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('MODULE_PAYMENT_PAYPALCART_SHOW_PRODUCT','0');
INSERT INTO `paypal_config` (`config_key`,`config_value`) VALUES ('PAYPAL_PAYPALCART_DE_PROFILE','XP-LG4B-8ZGD-LQB4-RZVH');
und ändere dann via modified-Admin die Daten unter:
http://www.dein-shop.de/admin/paypal_config.php