Error 500 when visiting a blob: nil can't be coerced into Fixnum
https://sentry.gitlap.com/gitlab/gitlabcom/issues/7092/
TypeError: nil can't be coerced into Fixnum
app/views/projects/blob/diff.html.haml:9:in `-'
- line_old = line_new - @form.offset
app/views/projects/blob/diff.html.haml:9:in `block in _app_views_projects_blob_diff_html_haml___896394589548829788_70161964443800'
- line_old = line_new - @form.offset
app/views/projects/blob/diff.html.haml:7:in `each'
- @lines.each_with_index do |line, index|
app/views/projects/blob/diff.html.haml:7:in `each_with_index'
- @lines.each_with_index do |line, index|
app/views/projects/blob/diff.html.haml:7:in `_app_views_projects_blob_diff_html_haml___896394589548829788_70161964443800'
- @lines.each_with_index do |line, index|
...
(131 additional frame(s) were not displayed)
ActionView::Template::Error: nil can't be coerced into Fixnum
app/views/projects/blob/diff.html.haml:9:in `-'
- line_old = line_new - @form.offset
app/views/projects/blob/diff.html.haml:9:in `block in _app_views_projects_blob_diff_html_haml___896394589548829788_70161964443800'
- line_old = line_new - @form.offset
app/views/projects/blob/diff.html.haml:7:in `each'
- @lines.each_with_index do |line, index|
app/views/projects/blob/diff.html.haml:7:in `each_with_index'
- @lines.each_with_index do |line, index|
app/views/projects/blob/diff.html.haml:7:in `_app_views_projects_blob_diff_html_haml___896394589548829788_70161964443800'
- @lines.each_with_index do |line, index|
...
(131 additional frame(s) were not displayed)