"error retrieving the JSON data" due to deprecated function | Report Bugs | Forum Archive

I am receiving a JSON data error trying to do a backup.  This worked previously, so I assumed it is due to the version of PHP, now set to 5.5.  I reset it back to 5.4, and it works.  I tested it out on another site by resetting to defaults and then ensuring the only change was the PHP version, and the error is reproducible:

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

Details: parsererror -- Invalid JSON:

Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /{path redacted}/wp-content/plugins/xcloner-backup-and-restore/classes/mysqlBackup.class.php on line 108

{"newDump":1,"tableName":"wp_bad_behavior","databaseName":"cogpe001_wordpress_24884","totalRecords":"1048","startAtLine":2,"startAtRecord":0,"dumpfile":"\/{path redacted}/administrator\/backups\/database-sql.sql","dbbackup_comp":"","dbbackup_drop":"1"}

JSON url: index2.php?task=recurse_database&nohtml=1&dbbackup_comp=&dbbackup_drop=1