DSS Event server setup - Destination

Hello,

I've setting up an Event server wich is suppose to write on an Azure Blob Storage.

The server is not able to write and the foolowing error show up :

[2022/10/11-13:17:53.611] [QueueHandler-target-ConnectionPathTarget-1] [INFO] [dku.datasets.bloblike]  - Writing base=/apicall/2022/10/11/ split=0 chunk=0 -> target = /apicall/2022/10/11//out-s0-2022-10-11-13-17-53-611.gz
[2022/10/11-13:17:53.611] [QueueHandler-target-ConnectionPathTarget-1] [WARN] [dku.eventserver.queue]  - Processing error
java.io.IOException: Failed to write /apicall/2022/10/11//out-s0-2022-10-11-13-17-53-611.gz
        at com.dataiku.dip.datasets.fs.AzureBlobStorageFSProvider.tryCode(AzureBlobStorageFSProvider.java:136)
        at com.dataiku.dip.datasets.fs.AzureBlobStorageFSProvider.write(AzureBlobStorageFSProvider.java:668)
        at com.dataiku.dip.datasets.fs.BlobLikeResplitOutputWriter.init(BlobLikeResplitOutputWriter.java:64)
        at com.dataiku.dip.eventserver.targets.ConnectionPathTarget.getOrOpenPartition(ConnectionPathTarget.java:252)
        at com.dataiku.dip.eventserver.targets.ConnectionPathTarget.process(ConnectionPathTarget.java:288)
        at com.dataiku.dip.eventserver.ProcessingQueue$QueueHandler.run(ProcessingQueue.java:54)
        at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.IllegalArgumentException: The String is not a valid Base64-encoded string.
        at com.dataiku.dss.shadelib.com.microsoft.azure.storage.core.Base64.decode(Base64.java:88)
        at com.dataiku.dss.shadelib.com.microsoft.azure.storage.StorageCredentialsAccountAndKey.<init>(StorageCredentialsAccountAndKey.java:81)
        at com.dataiku.dip.connections.AzureConnection.getAzureBlobCredentials(AzureConnection.java:204)
        at com.dataiku.dip.connections.AzureConnection.getAzureBlobClient(AzureConnection.java:136)
        at com.dataiku.dip.datasets.fs.AzureBlobStorageFSProvider.getContainer(AzureBlobStorageFSProvider.java:145)
        at com.dataiku.dip.datasets.fs.AzureBlobStorageFSProvider.write(AzureBlobStorageFSProvider.java:653)
        ... 5 more

The settings of the connection and the event server are in the attachments.

Could you help me ?

Best regards,