diff --git a/CenRa_METABASE/tools/images/must_be_a_file.png b/CenRa_METABASE/tools/images/must_be_a_file.png
new file mode 100644
index 0000000..7062995
Binary files /dev/null and b/CenRa_METABASE/tools/images/must_be_a_file.png differ