ERROR WHILE CRAWL Datumbox Twitter Sentiment Analysis using php -

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I am using PHP for the Databank Twitter synthesis analysis, for which I have used the code from here

But it shows an error like this, even I have filled my keys in config.php 

  Fatal error: Unwanted exception 'TwitterApiException with message' operation ended 5015 after 'received milliseconds with 0 bytes: C: \ XAMPP \ htdocs \ test \ twitter \ lib \ twitter -client.php: 423 Stack trace: # 0 C: \ XAMPP \ htdocs \ test \ twitter \ lib \ twitter-client.php (349): TwitterApiClient :: http_request ('https: //api.twi .. . ', Array) # 1 C: \ XAMPP \ htdocs \ test \ twitter \ lib \ twitter-client.php (239): TwitterApiClient- & gt; rest_request ('search / tweets', array, 'received') # 2 C: \ XAMPP \ htdocs \ test \ twitter \ lib \ TwitterSentimentAnalysis.php (56): TwitterApiClient- & gt; Call ('search / tweets', array, 'received') # 3 C: \ XAMPP \ htdocs \ test \ twitter \ lib \ TwitterSentimentAnalysis.php (40): TwitterSentimentAnalysis-> GetTweets (array) # 4C: \ XAMPP \ htdocs \ test \ twitter \ index .php (31): twitter erSentimentAnalysis-> sentimentAnalysis (array) # 5 {main} Throw in C: \ xampp \ htdocs \ test \ twitter \ lib \ line 423   
 on Twitter-client.php is there any side of me Problems with or in the code?   
 
 
 I think Twitter API client can ?? Do not use the certificate to make sure it is in the right place and read these privileges.

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