Filezilla VIdeo Upload problems

Hi, 

the upload over Filezilla does not work. See below the problem notificiation I get. What can I do? Thank you

Command: local:C:\Users\BRem\Desktop\20221225_143229.mp4 => remote:/20221225_143229.mp4
Error: File transfer failed
Status: Connecting to sftp.contributor.adobestock.com...
Status: Using username "208957930".
Status: Connected to s-4f597bb375d84f049.server.transfer.eu-west-1.amazonaws.com
Status: Starting upload of C:\Users\BRem\Desktop\20221225_143229.mp4
Status: Retrieving directory listing of "/"...
Status: Listing directory /
Command: put "C:\Users\BRem\Desktop\20221225_143229.mp4" "20221225_143229.mp4"
Command: local:C:\Users\BRem\Desktop\20221225_143229.mp4 => remote:/20221225_143229.mp4
Error: File transfer failed
Status: Connecting to sftp.contributor.adobestock.com...
Status: Using username "208957930".
Status: Connected to s-4f597bb375d84f049.server.transfer.eu-west-1.amazonaws.com
Status: Starting upload of C:\Users\BRem\Desktop\20221225_143229.mp4
Status: Retrieving directory listing of "/"...
Status: Listing directory /
Status: Disconnected from server
Command: put "C:\Users\BRem\Desktop\20221225_143229.mp4" "20221225_143229.mp4"
Command: local:C:\Users\BRem\Desktop\20221225_143229.mp4 => remote:/20221225_143229.mp4
Error: File transfer failed