escapeshellarg(): Input string contains NULL bytes

[FelixMalfait]

Hi I'm getting the following error message every seconds for the past hour.
Seems like you should escape the string maybe?

#0 {main}   
Apr 12 19:00:47 lucky app/worker.1:    [Symfony\Component\Debug\Exception\FatalErrorException]   
Apr 12 19:00:47 lucky app/worker.1:    escapeshellarg(): Input string contains NULL bytes        
Apr 12 19:00:49 lucky app/worker.1:  PHP Fatal error:  escapeshellarg(): Input string contains NULL bytes in /app/vendor/mindscape/raygun4php/src/Raygun4php/RaygunClient.php on line 310 
Apr 12 19:00:49 lucky app/worker.1:  [2016-04-12 19:00:48] production.ERROR: Symfony\Component\Debug\Exception\FatalErrorException: escapeshellarg(): Input string contains NULL bytes in /app/vendor/mindscape/raygun4php/src/Raygun4php/RaygunClient.php:310 

[BenjaminHarding]

Merged in a fix for this bug