Error retrieving JSON data from server. Parsererror — SyntaxError

Trying to make the very first back-up!!

Initializing backup…

Backup /sites/lovetomeetyou.eu/www/administrator/backups/backup_2014-04-23_10-19_lovetomeetyou.eu-sql-drop.tar created, we may continue!

Database backup…

There was an error retrieving the JSON data from the server, try again or contact the developers!

Details: parsererror — SyntaxError: Unexpected token <

JSON url: admin-ajax.php?action=json_return&task=recurse_database&nohtml=1&dbbackup_comp=&dbbackup_drop=1

Response body:
Notice: Undefined index: page in /sites/lovetomeetyou.eu/www/wp-content/plugins/xcloner-backup-and-restore/xcloner.php on line 122
{“newDump”:1,”tableName”:”Copy_ltmy_options”,”databaseName”:”lovetomeetyou_eu_WPdatin”,”totalRecords”:”0″,”startAtLine”:2,”startAtRecord”:0,”dumpfile”:”\/sites\/lovetomeetyou.eu\/www\/administrator\/backups\/database-sql.sql”,”dbbackup_comp”:””,”dbbackup_drop”:”1″}parsererror — SyntaxError: Unexpected token <

JSON url: admin-ajax.php?action=json_return&task=recurse_database&nohtml=1&dbbackup_comp=&dbbackup_drop=1

Response body:
Notice: Undefined index: page in /sites/lovetomeetyou.eu/www/wp-content/plugins/xcloner-backup-and-restore/xcloner.php on line 122
{“server_time”:1398273647}parsererror — SyntaxError: Unexpected token <

JSON url: admin-ajax.php?action=json_return&task=recurse_database&nohtml=1&dbbackup_comp=&dbbackup_drop=1

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