Fatal error: Uncaught ZCRMException Caused by:'invalid data' in D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\api\response\BulkAPIResponse.php(36)
#0 D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\api\response\CommonAPIResponse.php(29): BulkAPIResponse->handleForFaultyResponses()
#1 D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\api\response\CommonAPIResponse.php(22): CommonAPIResponse->processResponse()
#2 D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\api\response\BulkAPIResponse.php(17): CommonAPIResponse->__construct('HTTP/1.1 400 Ba...', 400)
#3 D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\api\APIRequest.php(111): BulkAPIResponse->__construct('HTTP/1.1 400 Ba...', 400)
#4 D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\api\handler\MassEntityAPIHandler.php(52): APIRequest->getBulkAPIResponse()
#5 D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\crud\ZCRMModule.php(56 in D:\xampp\htdocs\zoho\vendor\zohocrm\php-sdk\src\com\zoho\crm\library\api\response\BulkAPIResponse.php on line 36
can any here to provide me a example code for Leads insert because i have everywhere zoho doesn't provide any documentation what data format to be send in insert leads using zoho-php-sdk