Translate media files to another language (to set different images)
The issue can be seen in the attached file.
When I removed button classes regarding the button being disabled (which prevented it from being submitted), I was able to click it and the loading bar appeared, and the image uploaded successfully and was thereafter working.
It appears that there might be a conflict with another plugin or potentially with your theme. To troubleshoot this, could you please create a full backup of your website and then proceed to deactivate each third-party plugin one at a time? This step will help us identify which plugin might be responsible for the issue you encountered.