diff --git a/changelogs/unreleased/bb_save_trace.yml b/changelogs/unreleased/bb_save_trace.yml
new file mode 100644
index 0000000000000000000000000000000000000000..6ff31f4f1111a5e771263215a442449acfff1558
--- /dev/null
+++ b/changelogs/unreleased/bb_save_trace.yml
@@ -0,0 +1,5 @@
+---
+title: "[BB Importer] Save the error trace and the whole raw document to debug problems
+  easier"
+merge_request:
+author:
diff --git a/lib/bitbucket/representation/base.rb b/lib/bitbucket/representation/base.rb
index 94adaacc9b5598a85c2415ae8053e28380265892..800d5a075c6841c962adfa7f2e132f357970c069 100644
--- a/lib/bitbucket/representation/base.rb
+++ b/lib/bitbucket/representation/base.rb
@@ -1,6 +1,8 @@
 module Bitbucket
   module Representation
     class Base
+      attr_reader :raw
+
       def initialize(raw)
         @raw = raw
       end
@@ -8,10 +10,6 @@ module Bitbucket
       def self.decorate(entries)
         entries.map { |entry| new(entry)}
       end
-
-      private
-
-      attr_reader :raw
     end
   end
 end
diff --git a/lib/gitlab/bitbucket_import/importer.rb b/lib/gitlab/bitbucket_import/importer.rb
index f4efa20374a92913f688a31e9e4cb5778d97b89e..5a6d9ae99a0d28c901fa2f347b60ba511e275bec 100644
--- a/lib/gitlab/bitbucket_import/importer.rb
+++ b/lib/gitlab/bitbucket_import/importer.rb
@@ -149,7 +149,7 @@ module Gitlab
             description += @formatter.author_line(pull_request.author) unless find_user_id(pull_request.author)
             description += pull_request.description
 
-            merge_request = project.merge_requests.create(
+            merge_request = project.merge_requests.create!(
               iid: pull_request.iid,
               title: pull_request.title,
               description: description,
@@ -168,7 +168,7 @@ module Gitlab
 
             import_pull_request_comments(pull_request, merge_request) if merge_request.persisted?
           rescue StandardError => e
-            errors << { type: :pull_request, iid: pull_request.iid, errors: e.message }
+            errors << { type: :pull_request, iid: pull_request.iid, errors: e.message, trace: e.backtrace.join("\n"), raw_response: pull_request.raw }
           end
         end
       end