diff --git a/services/ske/src/stackit/ske/models/cluster_error.py b/services/ske/src/stackit/ske/models/cluster_error.py
index 3afa11a7..9e0e0223 100644
--- a/services/ske/src/stackit/ske/models/cluster_error.py
+++ b/services/ske/src/stackit/ske/models/cluster_error.py
@@ -42,10 +42,11 @@ def code_validate_enum(cls, value):
                 "SKE_DNS_ZONE_NOT_FOUND",
                 "SKE_NODE_MISCONFIGURED_PDB",
                 "SKE_NODE_NO_VALID_HOST_FOUND",
+                "SKE_NODE_MACHINE_TYPE_NOT_FOUND",
             ]
         ):
             raise ValueError(
-                "must be one of enum values ('SKE_OBSERVABILITY_INSTANCE_NOT_FOUND', 'SKE_DNS_ZONE_NOT_FOUND', 'SKE_NODE_MISCONFIGURED_PDB', 'SKE_NODE_NO_VALID_HOST_FOUND')"
+                "must be one of enum values ('SKE_OBSERVABILITY_INSTANCE_NOT_FOUND', 'SKE_DNS_ZONE_NOT_FOUND', 'SKE_NODE_MISCONFIGURED_PDB', 'SKE_NODE_NO_VALID_HOST_FOUND', 'SKE_NODE_MACHINE_TYPE_NOT_FOUND')"
             )
         return value