Si verifica un errore '500' durante l'installazione

[JammyDodger]

@lejeczek

ver. 3.0.5 / 461966e028

FWIW, the latest stable version is 3.1 (and tests-passed at least 3.2.0.beta1-dev) so I think you do need to upgrade.

3.1.0: Major Release

Today, we release Discourse 3.1 We’ve completed the 3.1.0 development cycle and pushed out the final release. Check out our blog post, as well as all the 3.1.0.betaX release-notes topics for details.