The problem is that this line was inserted in plugin.rb on June 18
LlmModel.enable_or_disable_srv_llm!
which depends on the migration 20240514171609 which was made on May 16.
My quick workaround was to check out commit cc0b222 of the AI plugin, then rebuild, then check out the latest version.
The only thing that I am missing here is why this normally does work 