Added a check so that it will only use the master scp file if uploads/masterscp.txt is readable

application/controllers/Lookup.php

@@ -29,8 +29,9 @@ class Lookup extends CI_Controller {
 		// SCP results from master scp db
 		$file = 'updates/masterscp.txt';
 
-		$lines = file($file, FILE_IGNORE_NEW_LINES);
+		if (is_readable($file)) {
 
+			$lines = file($file, FILE_IGNORE_NEW_LINES);
 			$input = preg_quote($call, '~');
 
 			$result = preg_grep('~' . $input . '~', $lines, 0);
@@ -41,3 +42,5 @@ class Lookup extends CI_Controller {
 		}
 		
 	}
+
+}