Error

RubyLLM::RateLimitError: Your project has exceeded its monthly spending cap. Please go to AI Studio at https://ai.studio/spend to manage your project spend cap. Learn more at https://ai.google.dev/gemini-api/docs/billing#project-spend-caps. 
/usr/local/bundle/ruby/3.3.0/gems/ruby_llm-1.7.0/lib/ruby_llm/error.rb:61:in `parse_error'
/usr/local/bundle/ruby/3.3.0/gems/ruby_llm-1.7.0/lib/ruby_llm/error.rb:40:in `block in call'
/usr/local/bundle/ruby/3.3.0/gems/faraday-2.14.2/lib/faraday/response.rb:46:in `on_complete'
/usr/local/bundle/ruby/3.3.0/gems/ruby_llm-1.7.0/lib/ruby_llm/error.rb:39:in `call'
/usr/local/bundle/ruby/3.3.0/gems/faraday-2.14.2/lib/faraday/middleware.rb:56:in `call'