diff --git a/app/scodoc/sco_pdf.py b/app/scodoc/sco_pdf.py
index 2a97e716..40546e75 100755
--- a/app/scodoc/sco_pdf.py
+++ b/app/scodoc/sco_pdf.py
@@ -66,7 +66,7 @@ from app.scodoc.sco_utils import (
     LOGOS_IMAGES_ALLOWED_TYPES,
 )
 from app import log
-from app.scodoc.sco_exceptions import ScoGenError
+from app.scodoc.sco_exceptions import ScoGenError, ScoValueError
 import sco_version
 
 PAGE_HEIGHT = defaultPageSize[1]
@@ -121,6 +121,7 @@ def makeParas(txt, style, suppress_empty=False):
     """Returns a list of Paragraph instances from a text
     with one or more <para> ... </para>
     """
+    result = []
     try:
         paras = _splitPara(txt)
         if suppress_empty:
@@ -133,21 +134,31 @@ def makeParas(txt, style, suppress_empty=False):
                     if m.group(1):  # non empty paragraph
                         r.append(para)
             paras = r
-        return [Paragraph(SU(s), style) for s in paras]
+        result = [Paragraph(SU(s), style) for s in paras]
+    except OSError as e:
+        msg = str(e)
+        # If a file is missing, try to display the invalid name
+        m = re.match(r".*\sfilename=\'(.*?)\'.*", msg, re.DOTALL)
+        if m:
+            filename = os.path.split(m.group(1))[1]
+            if filename.startswith("logo_"):
+                filename = filename[len("logo_") :]
+            raise ScoValueError(
+                f"Erreur dans le format PDF paramétré: fichier logo <b>{filename}</b> non trouvé"
+            ) from e
+        else:
+            raise e
     except Exception as e:
         detail = " " + str(e)
         log(traceback.format_exc())
         log("Invalid pdf para format: %s" % txt)
-        return [
+        result = [
             Paragraph(
-                SU(
-                    '<font color="red"><i>Erreur: format invalide{}</i></font>'.format(
-                        detail
-                    )
-                ),
+                SU('<font color="red"><i>Erreur: format invalide</i></font>'),
                 style,
             )
         ]
+    return result
 
 
 def bold_paras(L, tag="b", close=None):
diff --git a/app/views/__init__.py b/app/views/__init__.py
index 1c20f46c..a2dae02f 100644
--- a/app/views/__init__.py
+++ b/app/views/__init__.py
@@ -25,7 +25,7 @@ from app.views import scodoc, notes, scolar, absences, users
 @scodoc_bp.before_app_request
 def start_scodoc_request():
     """Affecte toutes les requêtes, de tous les blueprints"""
-    current_app.logger.info(f"start_scodoc_request")
+    # current_app.logger.info(f"start_scodoc_request")
     ndb.open_db_connection()
     if current_user.is_authenticated:
         current_user.last_seen = datetime.datetime.utcnow()