ActionView::Template::Error: undefined method `meta?' for nil:NilClass
https://sentry.gitlap.com/gitlab/gitlabcom/issues/40422/
NoMethodError: undefined method `meta?' for nil:NilClass
lib/gitlab/diff/file.rb:43:in `line_code'
return if line.meta?
lib/gitlab/metrics/instrumentation.rb:156:in `block in line_code'
trans.method_call_for(#{label.to_sym.inspect}).measure { super }
lib/gitlab/metrics/method_call.rb:23:in `measure'
retval = yield
lib/gitlab/metrics/instrumentation.rb:156:in `line_code'
trans.method_call_for(#{label.to_sym.inspect}).measure { super }
app/models/diff_note.rb:64:in `original_line_code'
self.diff_file.line_code(self.diff_line)
...
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ActionView::Template::Error: undefined method `meta?' for nil:NilClass
ActionView::Template::Error: undefined method `meta?' for nil:NilClass