diff --git a/patacrep/songs/chordpro/__init__.py b/patacrep/songs/chordpro/__init__.py
index ba18041c..3abf58cd 100644
--- a/patacrep/songs/chordpro/__init__.py
+++ b/patacrep/songs/chordpro/__init__.py
@@ -11,6 +11,7 @@ import jinja2
 from patacrep import encoding, files, pkg_datapath
 from patacrep.songs import Song
 from patacrep.songs.chordpro.syntax import parse_song
+from patacrep.songs.errors import FileNotFound
 from patacrep.templates import Renderer
 from patacrep.latex import lang2babel, UnknownLanguage
 from patacrep.files import path2posix
@@ -113,20 +114,22 @@ class Chordpro2LatexSong(ChordproSong):
         try:
             return os.path.join("scores", super().search_partition(filename))
         except FileNotFoundError:
-            LOGGER.warning(
-                "Song '%s' (datadir '%s'): Score '%s' not found.",
-                self.subpath, self.datadir, filename,
+            message = "Song '{}' (datadir '{}'): Score '{}' not found.".format(
+                self.subpath, self.datadir, filename
                 )
+            self.errors.append(FileNotFound(self, filename))
+            LOGGER.warning(message)
             return None
 
     def search_image(self, filename):
         try:
             return os.path.join("img", super().search_image(filename))
         except FileNotFoundError:
-            LOGGER.warning(
-                "Song '%s' (datadir '%s'): Image '%s' not found.",
-                self.subpath, self.datadir, filename,
+            message = "Song '{}' (datadir '{}'): Image '{}' not found.".format(
+                self.subpath, self.datadir, filename
                 )
+            self.errors.append(FileNotFound(self, filename))
+            LOGGER.warning(message)
             return None
 
     def _jinja2_filters(self):
diff --git a/patacrep/songs/errors.py b/patacrep/songs/errors.py
index 289aa099..7c9bac4b 100644
--- a/patacrep/songs/errors.py
+++ b/patacrep/songs/errors.py
@@ -29,5 +29,8 @@ class SongSyntaxError(SongError):
         else:
             return "Song {}: {}".format(self.song, self.message)
 
-# class FileError(SongError):
-#     type = "file"
+class FileNotFound(SongError):
+    """File not found error"""
+
+    def __init__(self, song, filename):
+        super().__init__(song, "File '{}' not found.".format(filename))