Debug referee_unresponsive email template

templates/email/eic/referee_unresponsive.html

@@ -11,7 +11,7 @@
     has failed to respond to the invitation (after being sent {{invitation.nr_reminders}} reminders).
 </p>
 <p>
-  Unless you are confident that this referee will really deliver a Report, and to ensure that this Submission does not suffer from unnecessary delays in processing, you should ideally invite a replacement referee using the tols on the <a href="https://scipost.org{% url 'submissions:editorial_page' assignment.submission.arxiv_identifier_w_vn_nr %}">Editorial page</a>.
+  Unless you are confident that this referee will really deliver a Report, and to ensure that this Submission does not suffer from unnecessary delays in processing, you should ideally invite a replacement referee using the tols on the <a href="https://scipost.org{% url 'submissions:editorial_page' invitation.submission.arxiv_identifier_w_vn_nr %}">Editorial page</a>.
 </p>
 <p>
     We are very grateful for your prompt action.