HTTP ERROR 500 By Install Prestashop 1.7

[yolcumustafa]

Error code 

 

Fatal error: Uncaught exception 'Defuse\Crypto\Exception\EnvironmentIsBrokenException' in /home/sagliklisaclar/public_html/vendor/defuse/php-encryption/src/Core.php:273 Stack trace: #0 /home/sagliklisaclar/public_html/vendor/defuse/php-encryption/src/Encoding.php(158): Defuse\Crypto\Core::ourStrlen('\xDE\xF0\x00\x00') #1 /home/sagliklisaclar/public_html/vendor/defuse/php-encryption/src/Key.php(38): Defuse\Crypto\Encoding::loadBytesFromChecksummedAsciiSafeString('\xDE\xF0\x00\x00', 'def00000397f63e...') #2 /home/sagliklisaclar/public_html/classes/PhpEncryptionEngine.php(112): Defuse\Crypto\Key::loadFromAsciiSafeString('def00000397f63e...') #3 /home/sagliklisaclar/public_html/classes/PhpEncryptionEngine.php(46): PhpEncryptionEngineCore::loadFromAsciiSafeString('def00000397f63e...') #4 /home/sagliklisaclar/public_html/classes/PhpEncryption.php(47): PhpEncryptionEngineCore->__construct('def00000397f63e...') #5 /home/sagliklisaclar/public_html/classes/Cookie.php(86): PhpEncryptionCore->__construct('def00000397f63e...') #6 /hom in /home/sagliklisaclar/public_html/vendor/defuse/php-encryption/src/Core.php on line 273