fetching ISO 19136...
1702#<Thread:0x0000000003706298@/home/travis/build/metanorma/mn-itu-docs/vendor/bundle/ruby/2.5.0/gems/relaton-bib-0.2.4/lib/relaton_bib/workers_pool.rb:17 run> terminated with exception (report_on_exception is true):
1703/home/travis/build/metanorma/mn-itu-docs/vendor/bundle/ruby/2.5.0/gems/relaton-iso-0.5.2/lib/relaton_iso/scrapper.rb:309:in `fetch_title': undefined method `text' for nil:NilClass (NoMethodError)
1704 from /home/travis/build/metanorma/mn-itu-docs/vendor/bundle/ruby/2.5.0/gems/relaton-iso-0.5.2/lib/relaton_iso/scrapper.rb:141:in `block in fetch_titles_abstract'
1705 from /home/travis/build/metanorma/mn-itu-docs/vendor/bundle/ruby/2.5.0/gems/relaton-iso-0.5.2/lib/relaton_iso/scrapper.rb:134:in `each'
1706
@andrew2net please help fix this:
https://github.com/metanorma/mn-itu-docs/pull/5
Error trace:
Originally posted by @ronaldtse in https://github.com/metanorma/mn-itu-docs/pull/5#issuecomment-529301606