xicoms exec /usr/local/bin/startup: no such file or directory After moving flarum container to a new volume, once the container updated it's image i was not able to start the container again. Flarum information Post your output of php flarum info here. Without this information providing support will take longer!
clarkwinkelmann xicoms we need more information. This error message doesn't seem related to Flarum. Who maintains this Docker image? They might be a better person to ask.