Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /homepages/1/d726520079/htdocs/bt2019/apiRedsys.php:54 Stack trace: #0 /homepages/1/d726520079/htdocs/bt2019/apiRedsys.php(114): RedsysAPI->encrypt_3DES('1574426670', '8\xD5\xEE\x83B|\x8BY\x9C\x8F7\x89\xFA\xFC2...') #1 /homepages/1/d726520079/htdocs/bt2019/inscripcion.php(257): RedsysAPI->createMerchantSignature('8\xD5\xEE\x83B|\x8BY\x9C\x8F7\x89\xFA\xFC2...') #2 {main} thrown in /homepages/1/d726520079/htdocs/bt2019/apiRedsys.php on line 54