Why am I getting an error using 'shopify app serve'?

Shopify Apps
1

Hi, I get the following error if I use “shopify app serve”:

C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/tunnel.rb:184:in `rescue in fetch_url': The account \\ (ShopifyCLI::Tunnel::NgrokError)
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/tunnel.rb:174:in `fetch_url'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/tunnel.rb:202:in `start_ngrok'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/tunnel.rb:70:in `start'
from C:/Ruby31-x64/lib/ruby/3.1.0/forwardable.rb:238:in `start'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/services/app/serve/serve_service.rb:29:in `create_tunnel'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/services/app/serve/serve_service.rb:23:in `generate_url'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/services/app/serve/node_service.rb:7:in `call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/services/base_service.rb:5:in `call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/commands/app/serve.rb:25:in `call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/command/sub_command.rb:16:in `call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/command.rb:27:in `call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/core/executor.rb:17:in `block (2 levels) in call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:37:in `block (2 levels) in with_logging'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-ui/lib/cli/ui/stdout_router.rb:169:in `with_id'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:36:in `block in with_logging'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-ui/lib/cli/ui.rb:176:in `log_output_to'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:35:in `with_logging'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/core/executor.rb:16:in `block in call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:45:in `block (2 levels) in with_traps'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:51:in `twrap'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:44:in `block in with_traps'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:51:in `twrap'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/vendor/deps/cli-kit/lib/cli/kit/executor.rb:43:in `with_traps'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/core/executor.rb:15:in `call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/core/entry_point.rb:24:in `block in call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/core/monorail.rb:26:in `log'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/lib/shopify_cli/core/entry_point.rb:23:in `call'
from C:/Ruby31-x64/lib/ruby/gems/3.1.0/gems/shopify-cli-2.16.1/bin/shopify:50:in `block (2 levels) in 

Anyone knows what to do?
2

Solved it…

  1. Make sure you verfied your email on ngrok.
  2. Try to start the tunnel via the ngrok.exe with “ngrok http 8080”