PHP Fatal error: Uncaught Error: Call to a member function setReceipt() on null in pesapi/PLUSPEOPLE/PesaPi/MpesaPrivate/MpesaPrivate.php:67

[0x8801]

Keep getting this error on PHP 5.6.16 and MySQL 5.7.9

The database query in Base\Transaction.php -> createNew() keeps on failing therefore returning null