NoMethodError: undefined method `empty?' for nil:NilClass
https://sentry.gitlab.net/gitlab/gitlabcom/issues/4118151/?referrer=gitlab_plugin
NoMethodError: undefined method `empty?' for nil:NilClass
app/models/hooks/web_hook.rb:136:in `reset_url_variables'
return if url_variables_were.empty? || interpolated_url_was == interpolated_url
lib/gitlab/database/load_balancing/connection_proxy.rb:121:in `public_send'
connection.public_send(...)
lib/gitlab/database/load_balancing/connection_proxy.rb:121:in `block in write_using_load_balancer'
connection.public_send(...)
lib/gitlab/database/load_balancing/load_balancer.rb:127:in `block in read_write'
yield connection
lib/gitlab/database/load_balancing/load_balancer.rb:205:in `retry_with_backoff'
return yield attempt # Yield the current attempt count
...
(198 additional frame(s) were not displayed)