Impossible d'upscale les photos avec firefly

Hey ​@Data3V 
Help us. Help you.

We want to assist you and help resolve the challenges you are encountering. Things not working as expected is frustrating.
 

Could you provide more information; so, the team can proceed to troubleshoot? Without the requested information it is difficult to assist you and resolve the issue.
 

Upscaling issues
Is it just with the upscaler? If you try another browser as a test, does it still fail?
UpScaling Request of information
To help us look into this further, please share the following:

• Original image you tried to upscale, provided in a zip file (to preserve the original details of the image)
• Settings you selected for the upscale
• Credits deducted for the operation

Once you’ve shared the requested information, we’ll be glad to assist you.