diff --git a/487_DeePMD-kit/deePMD.eb b/487_DeePMD-kit/deePMD.eb
index d4ef7cb7..8dc9ebd4 100644
--- a/487_DeePMD-kit/deePMD.eb
+++ b/487_DeePMD-kit/deePMD.eb
@@ -77,3 +77,10 @@ exts_list = [
 # sanity_check_commands = ['%(name)s --help']
 
 moduleclass = 'ai'
+
+# E1:
+    # same problem as with horovod: https://github.com/vscentrum/vsc-software-stack/issues/390#issuecomment-2304201251
+    # <- during pip install deepmd-kit:
+        #error This file was generated by an older version of protoc
+        #error incompatible with your Protocol Buffer headers
+        #error regenerate this file with a newer version of protoc.
\ No newline at end of file