format link pr, issue and show repo not access

plugins/workflow_report/lib/workflow_report.rb

@@ -223,7 +223,7 @@ module WorkflowReport
               pr[:pr_changed_files] += pr_detail.changed_files
               pr[:pr_changed_files] += pr_detail.changed_files
             end
             end
           rescue StandardError => e
           rescue StandardError => e
-            error_links << "##{root_id} Error occurred during the build with the PR link:\r\n - #{link} \r\n - #{e.message.gsub(/(?<=access_token).*/, " #{pr_link_arr[2]}")}"
+            error_links << "##{root_id} Error occurred during the build with the PR link:\r\n - #{link} \r\n - #{e.message.gsub(/(?<=access_token).*/, " #{pr_link_arr[1]}")}"
           end
           end
         end
         end
       end
       end