diff --git a/pkcs11_cryptography_keys/pkcs11_URI/pkcs11_URI.py b/pkcs11_cryptography_keys/pkcs11_URI/pkcs11_URI.py
index 292cd4c..17001f5 100644
--- a/pkcs11_cryptography_keys/pkcs11_URI/pkcs11_URI.py
+++ b/pkcs11_cryptography_keys/pkcs11_URI/pkcs11_URI.py
@@ -244,6 +244,10 @@ def get_session(
                             if mi.flags & mf != 0:
                                 op = mi.flags_dict[mf].replace("CKF_", "")
                                 self._operations.append((m, op))
+            else:
+                self._logger.info("Session could not be opened.")
+        else:
+            self._logger.info("Required slot was not found.")
         return session
 
     def gen_operations(self):