diff --git a/app/__init__.py b/app/__init__.py
index 70eac403..7521520e 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -62,7 +62,7 @@ def handle_access_denied(exc):
     return render_template("error_access_denied.html", exc=exc), 403
 
 
-def internal_server_error(e):
+def internal_server_error(exc):
     """Bugs scodoc, erreurs 500"""
     # note that we set the 500 status explicitly
     return (
@@ -70,6 +70,8 @@ def internal_server_error(e):
             "error_500.html",
             SCOVERSION=sco_version.SCOVERSION,
             date=datetime.datetime.now().isoformat(),
+            exc=exc,
+            request_url=request.url,
         ),
         500,
     )
diff --git a/app/scodoc/sco_dump_db.py b/app/scodoc/sco_dump_db.py
index 4b55b41f..190cec96 100644
--- a/app/scodoc/sco_dump_db.py
+++ b/app/scodoc/sco_dump_db.py
@@ -51,7 +51,7 @@ import fcntl
 import subprocess
 import requests
 
-from flask import flash
+from flask import flash, request
 from flask_login import current_user
 
 import app.scodoc.notesdb as ndb
@@ -66,7 +66,7 @@ from app.scodoc.sco_exceptions import ScoValueError
 SCO_DUMP_LOCK = "/tmp/scodump.lock"
 
 
-def sco_dump_and_send_db():
+def sco_dump_and_send_db(message: str = "", request_url: str = ""):
     """Dump base de données et l'envoie anonymisée pour debug"""
     H = [html_sco_header.sco_header(page_title="Assistance technique")]
     # get currect (dept) DB name:
@@ -95,7 +95,7 @@ def sco_dump_and_send_db():
         _anonymize_db(ano_db_name)
 
         # Send
-        r = _send_db(ano_db_name)
+        r = _send_db(ano_db_name, message, request_url)
         if (
             r.status_code
             == requests.codes.INSUFFICIENT_STORAGE  # pylint: disable=no-member
@@ -175,7 +175,7 @@ def _get_scodoc_serial():
         return 0
 
 
-def _send_db(ano_db_name):
+def _send_db(ano_db_name: str, message: str = "", request_url: str = ""):
     """Dump this (anonymized) database and send it to tech support"""
     log(f"dumping anonymized database {ano_db_name}")
     try:
@@ -184,7 +184,9 @@ def _send_db(ano_db_name):
         )
     except subprocess.CalledProcessError as e:
         log(f"sco_dump_and_send_db: exception in anonymisation: {e}")
-        raise ScoValueError(f"erreur lors de l'anonymisation de la base {ano_db_name}")
+        raise ScoValueError(
+            f"erreur lors de l'anonymisation de la base {ano_db_name}"
+        ) from e
 
     log("uploading anonymized dump...")
     files = {"file": (ano_db_name + ".dump", dump)}
@@ -194,6 +196,8 @@ def _send_db(ano_db_name):
             files=files,
             data={
                 "dept_name": sco_preferences.get_preference("DeptName"),
+                "message": message or "",
+                "request_url": request_url or request.url,
                 "serial": _get_scodoc_serial(),
                 "sco_user": str(current_user),
                 "sent_by": sco_users.user_info(str(current_user))["nomcomplet"],
diff --git a/app/templates/error_500.html b/app/templates/error_500.html
index 23a5c609..4e77aa63 100644
--- a/app/templates/error_500.html
+++ b/app/templates/error_500.html
@@ -3,7 +3,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block title %}Une erreur est survenue !{% endblock %}
-{% block body %}
+{% block app_content %}
 <h1>Une erreur est survenue !</h1>
 <p>Oups...</tt> <span style="color:red;"><b>ScoDoc version
     <span style="font-size: 120%;">{{SCOVERSION}}</span></b></span> 
@@ -12,10 +12,22 @@
 
 <p> Si le problème persiste, contacter l'administrateur de votre site,
     ou écrire la liste "notes" <a href="mailto:notes@listes.univ-paris13.fr">notes@listes.univ-paris13.fr</a> en
-    indiquant la version du logiciel
-    <br />
-    (plus d'informations sur les listes de diffusion <a href="https://scodoc.org/ListesDeDiffusion/">voir
-        cette page</a>).
+    indiquant la version du logiciel.
+</p>
+{% if 'scodoc_dept' in g %}
+    <p>Pour aider les développeurs à corriger le problème, nous vous suggérons d'envoyer les données 
+    sur votre configuration:
+    <form method="POST" action="{{ url_for( 'scolar.sco_dump_and_send_db', scodoc_dept=g.scodoc_dept ) }}">
+    <input type="hidden" name="request_url" value="{{request_url}}">
+    <input type="submit" value="Envoyer données assistance">
+    <div>Message optionnel: </div>
+    <textarea name="message" cols="40" rows="4"></textarea>
+
+    </form>
+    </p>
+{% endif %}
+<p>Pour plus d'informations sur les listes de diffusion <a href="https://scodoc.org/ListesDeDiffusion/">voir
+        cette page</a>.
 </p>
 
 <p><a href="{{ url_for('scodoc.index') }}">retour à la page d'accueil</a></p>
diff --git a/app/views/scolar.py b/app/views/scolar.py
index 3258ec58..48efb23b 100644
--- a/app/views/scolar.py
+++ b/app/views/scolar.py
@@ -2190,7 +2190,11 @@ def stat_bac(formsemestre_id):
     return Bacs
 
 
-# --- Dump
-sco_publish(
-    "/sco_dump_and_send_db", sco_dump_db.sco_dump_and_send_db, Permission.ScoView
-)
+# --- Dump (assistance)
+@bp.route("/sco_dump_and_send_db", methods=["GET", "POST"])
+@scodoc
+@permission_required(Permission.ScoView)
+@scodoc7func
+def sco_dump_and_send_db(message="", request_url=""):
+    "Send anonymized data to supervision"
+    return sco_dump_db.sco_dump_and_send_db(message, request_url)