Update 3/31/2023
See Failed local file upload with 504 timeout: Resolved at UseGalaxy.eu March 31 2023 - #6 by marek
Welcome, @David_Olivares_Osuna
Most jobs will queue before executing. These are shared public resources. Leaving jobs queued is important since all new jobs are added back at the end of the queue, extending the wait time.
The UseGalaxy.eu database did have a small issue but seems to be up now. Rerun if a job happens to fail.
https://status.galaxyproject.org/