From 26a50d11cdd723d0f8ee1b5bd901953fa1b8120a Mon Sep 17 00:00:00 2001
From: Nazanin Donyapour <nazanin.donyapour@gmail.com>
Date: Tue, 26 Dec 2023 13:27:57 -0500
Subject: [PATCH] fix add missing residues error

---
 pdbfixer/pdbfixer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pdbfixer/pdbfixer.py b/pdbfixer/pdbfixer.py
index 431b021..35aa11b 100644
--- a/pdbfixer/pdbfixer.py
+++ b/pdbfixer/pdbfixer.py
@@ -1263,6 +1263,10 @@ def main():
         if options.residues:
             if options.verbose: print('Finding missing residues...')
             fixer.findMissingResidues()
+            for residueNames in fixer.missingResidues.values():
+                for residueName in residueNames:
+                    if residueName not in fixer.templates:
+                        raise(KeyError("Cannot find residue %s in template library!" % residueName))
         else:
             fixer.missingResidues = {}
         if options.nonstandard: