Syntax error for string concat when generating an exception. Previously would give:
Error: Wrong parameters for Exception([string $message [, long $code [, Throwable $previous = NULL]]]) in Exception->__construct() (line 113 of /home/myuser/public_html/sites/all/extensions/com.cividesk.email.sparkpost/CRM/Sparkpost.php).
Syntax error for string concat when generating an exception. Previously would give: