Warning: unpack(): Type C: not enough input, need 1, have 0 in C:\inetpub\classes\flux\stellar\Crypto\StrKey.php on line 127

Warning: Trying to access array offset on value of type bool in C:\inetpub\classes\flux\stellar\Crypto\StrKey.php on line 128

Fatal error: Uncaught InvalidArgumentException: version byte in encoded data does not match passed version byte by parameter in C:\inetpub\classes\flux\stellar\Crypto\StrKey.php:131
Stack trace:
#0 C:\inetpub\classes\flux\stellar\Crypto\StrKey.php(42): flux\stellar\Crypto\StrKey::decodeCheck(144, '')
#1 C:\inetpub\classes\flux\stellar\Crypto\KeyPair.php(97): flux\stellar\Crypto\StrKey::decodeSeed('')
#2 C:\inetpub\classes\flux\api\services\stellar.php(301): flux\stellar\Crypto\KeyPair::fromSeed('')
#3 C:\inetpub\classes\flux\api\controller.php(71): flux\api\services\stellar->keypair_from_seed('')
#4 C:\inetpub\classes\flux\api\controller.php(163): flux\api\controller->do_keypair()
#5 C:\inetpub\htdocs\api_stellaranchors_com\index.php(21): flux\api\controller->process()
#6 {main}
  thrown in C:\inetpub\classes\flux\stellar\Crypto\StrKey.php on line 131