Fatal error: Uncaught RuntimeException: The provided account key '<yourKey>' is not a valid base64 string. It has to pass the check 'base64_decode(<user_account_key>, true)'. in C:\Apache24\htdocs\afnic\vendor\azure\vendor\microsoft\azure-storage-common\src\Common\Internal\StorageServiceSettings.php:111 Stack trace: #0 C:\Apache24\htdocs\afnic\vendor\azure\vendor\microsoft\azure-storage-common\src\Common\Internal\ServiceSettings.php(133): MicrosoftAzure\Storage\Common\Internal\StorageServiceSettings::MicrosoftAzure\Storage\Common\Internal\{closure}('<yourKey>') #1 C:\Apache24\htdocs\afnic\vendor\azure\vendor\microsoft\azure-storage-common\src\Common\Internal\ServiceSettings.php(273): MicrosoftAzure\Storage\Common\Internal\ServiceSettings::MicrosoftAzure\Storage\Common\Internal\{closure}(Array) #2 C:\Apache24\htdocs\afnic\vendor\azure\vendor\microsoft\azure-storage-common\src\Common\Internal\StorageServiceSettings.php(386): MicrosoftAzure\Storage\Common\Internal\ServiceSettings::matchedSpecification(Array, Object(Closure), in C:\Apache24\htdocs\afnic\vendor\azure\vendor\microsoft\azure-storage-common\src\Common\Internal\StorageServiceSettings.php on line 111