Welcome, @Lizex
This looks like a technical problem, and might be related to the server status.
Blast2GO JAR file not found: /opt/b2g4pipe_v2.5/blast2go.jar
Please follow this topic or the EU chat for updates: Jobs not running usegalaxy.eu
Once that is cleared up, try a rerun first. If that also fails, to help you more the moderators will need input/parameter setting to assist with troubleshooting. See Troubleshooting errors