bundleexec jekyll build --safe

jekyll 3.9.4 | Error:  undefined method `excerpt_separator' for #<Jekyll::Page>

Run bundleexec jekyll build --safeCalling`DidYouMean::SPELL_CHECKERS.merge!(error_name => spell_checker)' has been deprecated. Please call `DidYouMean.correct_error(error_name, spell_checker)' instead.Configuration file: /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/_config.ymlTo use retry middleware with Faraday v2.0+, install`faraday-retry` gem            Source: /home/runner/work/remarkablemark.github.io/remarkablemark.github.io       Destination: /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/_site Incremental build: disabled. Enable with --incremental      Generating...       Jekyll Feed: Generating feedfor postsjekyll 3.9.4| Error:  undefined method`excerpt_separator' for #<Jekyll::Page @name="404.md">      head, _, tail = doc_content.to_s.partition(doc.excerpt_separator)                                                    ^^^^^^^^^^^^^^^^^^/home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/excerpt.rb:135:in `extract_excerpt': undefined method`excerpt_separator' for #<Jekyll::Page @name="404.md"> (NoMethodError)      head, _, tail = doc_content.to_s.partition(doc.excerpt_separator)                                                    ^^^^^^^^^^^^^^^^^^from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/excerpt.rb:25:in `initialize'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-relative-links-0.7.0/lib/jekyll-relative-links/generator.rb:173:in`new'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-relative-links-0.7.0/lib/jekyll-relative-links/generator.rb:173:in `replace_relative_links_excerpt!'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-relative-links-0.7.0/lib/jekyll-relative-links/generator.rb:[6](https://github.com/remarkablemark/remarkablemark.github.io/actions/runs/7820440961/job/21335167976?pr=71#step:4:7)4:in`replace_relative_links!'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-relative-links-0.[7](https://github.com/remarkablemark/remarkablemark.github.io/actions/runs/7820440961/job/21335167976?pr=71#step:4:8).0/lib/jekyll-relative-links/generator.rb:44:in `block in generate'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-relative-links-0.7.0/lib/jekyll-relative-links/generator.rb:39:in`each'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-relative-links-0.7.0/lib/jekyll-relative-links/generator.rb:39:in `generate'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/site.rb:175:in`blockin generate'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/site.rb:173:in `each'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/site.rb:173:in`generate'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/site.rb:70:in `process'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/command.rb:2[8](https://github.com/remarkablemark/remarkablemark.github.io/actions/runs/7820440961/job/21335167976?pr=71#step:4:9):in`process_site'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.[9](https://github.com/remarkablemark/remarkablemark.github.io/actions/runs/7820440961/job/21335167976?pr=71#step:4:10).4/lib/jekyll/commands/build.rb:65:in `build'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/commands/build.rb:36:in`process'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/lib/jekyll/commands/build.rb:18:in `block (2 levels) in init_with_program'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/mercenary-0.3.6/lib/mercenary/command.rb:220:in`blockin execute'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/mercenary-0.3.6/lib/mercenary/command.rb:220:in `each'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/mercenary-0.3.6/lib/mercenary/command.rb:220:in`execute'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/mercenary-0.3.6/lib/mercenary/program.rb:42:in `go'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/mercenary-0.3.6/lib/mercenary.rb:19:in`program'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/gems/jekyll-3.9.4/exe/jekyll:15:in `<top (required)>'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/bin/jekyll:25:in`load'from /home/runner/work/remarkablemark.github.io/remarkablemark.github.io/vendor/bundle/ruby/3.1.0/bin/jekyll:25:in `<top (required)>'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in`load'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:63:in `kernel_load'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/cli/exec.rb:28:in`run'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/cli.rb:476:in `exec'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/command.rb:27:in`run'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/invocation.rb:[12](https://github.com/remarkablemark/remarkablemark.github.io/actions/runs/7820440961/job/21335167976?pr=71#step:4:13)7:in `invoke_command'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor.rb:399:in`dispatch'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/cli.rb:30:in `dispatch'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/vendor/thor/lib/thor/base.rb:476:in`start'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/cli.rb:24:in `start'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/exe/bundle:46:in`blockin<top (required)>'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/lib/bundler/friendly_errors.rb:1[23](https://github.com/remarkablemark/remarkablemark.github.io/actions/runs/7820440961/job/21335167976?pr=71#step:4:24):in `with_friendly_errors'from /opt/hostedtoolcache/Ruby/3.1.2/x64/lib/ruby/gems/3.1.0/gems/bundler-2.1.4/exe/bundle:34:in`<top (required)>'from /opt/hostedtoolcache/Ruby/3.1.2/x64/bin/bundle:[25](https://github.com/remarkablemark/remarkablemark.github.io/actions/runs/7820440961/job/21335167976?pr=71#step:4:26):in `load'from /opt/hostedtoolcache/Ruby/3.1.2/x64/bin/bundle:25:in`<main>'Error: Process completed with exit code 1.

git clone https://github.com/remarkablemark/remarkablemark.github.io.gitcd remarkablemark.github.io

git checkout jekyll-error-undefined-method-excerpt_separator

bundleexec jekyll build --safe