diff --git a/src/python/of10/error.py b/src/python/of10/error.py
index c69b70d..700338b 100644
--- a/src/python/of10/error.py
+++ b/src/python/of10/error.py
@@ -17,30 +17,28 @@
     """
     def __init__(self):
         ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_HELLO_FAILED
+        self.version = OFP_VERSION
+        self.type = OFPT_ERROR
+        self.err_type = OFPET_HELLO_FAILED
         self.data = ""
 
     def pack(self, assertstruct=True):
         self.header.length = self.__len__()
-        packed = self.header.pack()
+        packed = ""
         packed += ofp_error_msg.pack(self)
         packed += self.data
         return packed
 
     def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
         binary_string = ofp_error_msg.unpack(self, binary_string)
         self.data = binary_string
         return ""
 
     def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
+        return OFP_ERROR_MSG_BYTES + len(self.data)
 
     def show(self, prefix=''):
         outstr = prefix + "hello_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
         outstr += ofp_error_msg.show(self, prefix + '  ')
         outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
         ##@todo Consider trying to parse the string
@@ -48,8 +46,7 @@
 
     def __eq__(self, other):
         if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
+        return (ofp_error_msg.__eq__(self, other) and
                 self.data == other.data)
 
     def __ne__(self, other): return not self.__eq__(other)
@@ -67,30 +64,28 @@
     """
     def __init__(self):
         ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_REQUEST
+        self.version = OFP_VERSION
+        self.type = OFPT_ERROR
+        self.err_type = OFPET_BAD_REQUEST
         self.data = ""
 
     def pack(self, assertstruct=True):
         self.header.length = self.__len__()
-        packed = self.header.pack()
+        packed = ""
         packed += ofp_error_msg.pack(self)
         packed += self.data
         return packed
 
     def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
         binary_string = ofp_error_msg.unpack(self, binary_string)
         self.data = binary_string
         return ""
 
     def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
+        return OFP_ERROR_MSG_BYTES + len(self.data)
 
     def show(self, prefix=''):
         outstr = prefix + "bad_request_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
         outstr += ofp_error_msg.show(self, prefix + '  ')
         outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
         ##@todo Consider trying to parse the string
@@ -98,8 +93,7 @@
 
     def __eq__(self, other):
         if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
+        return (ofp_error_msg.__eq__(self, other) and
                 self.data == other.data)
 
     def __ne__(self, other): return not self.__eq__(other)
@@ -117,30 +111,28 @@
     """
     def __init__(self):
         ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_ACTION
+        self.version = OFP_VERSION
+        self.type = OFPT_ERROR
+        self.err_type = OFPET_BAD_ACTION
         self.data = ""
 
     def pack(self, assertstruct=True):
         self.header.length = self.__len__()
-        packed = self.header.pack()
+        packed = ""
         packed += ofp_error_msg.pack(self)
         packed += self.data
         return packed
 
     def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
         binary_string = ofp_error_msg.unpack(self, binary_string)
         self.data = binary_string
         return ""
 
     def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
+        return OFP_ERROR_MSG_BYTES + len(self.data)
 
     def show(self, prefix=''):
         outstr = prefix + "bad_action_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
         outstr += ofp_error_msg.show(self, prefix + '  ')
         outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
         ##@todo Consider trying to parse the string
@@ -148,8 +140,7 @@
 
     def __eq__(self, other):
         if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
+        return (ofp_error_msg.__eq__(self, other) and
                 self.data == other.data)
 
     def __ne__(self, other): return not self.__eq__(other)
@@ -167,30 +158,28 @@
     """
     def __init__(self):
         ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_FLOW_MOD_FAILED
+        self.version = OFP_VERSION
+        self.type = OFPT_ERROR
+        self.err_type = OFPET_FLOW_MOD_FAILED
         self.data = ""
 
     def pack(self, assertstruct=True):
         self.header.length = self.__len__()
-        packed = self.header.pack()
+        packed = ""
         packed += ofp_error_msg.pack(self)
         packed += self.data
         return packed
 
     def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
         binary_string = ofp_error_msg.unpack(self, binary_string)
         self.data = binary_string
         return ""
 
     def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
+        return OFP_ERROR_MSG_BYTES + len(self.data)
 
     def show(self, prefix=''):
         outstr = prefix + "flow_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
         outstr += ofp_error_msg.show(self, prefix + '  ')
         outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
         ##@todo Consider trying to parse the string
@@ -198,8 +187,7 @@
 
     def __eq__(self, other):
         if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
+        return (ofp_error_msg.__eq__(self, other) and
                 self.data == other.data)
 
     def __ne__(self, other): return not self.__eq__(other)
@@ -217,30 +205,28 @@
     """
     def __init__(self):
         ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_PORT_MOD_FAILED
+        self.version = OFP_VERSION
+        self.type = OFPT_ERROR
+        self.err_type = OFPET_PORT_MOD_FAILED
         self.data = ""
 
     def pack(self, assertstruct=True):
         self.header.length = self.__len__()
-        packed = self.header.pack()
+        packed = ""
         packed += ofp_error_msg.pack(self)
         packed += self.data
         return packed
 
     def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
         binary_string = ofp_error_msg.unpack(self, binary_string)
         self.data = binary_string
         return ""
 
     def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
+        return OFP_ERROR_MSG_BYTES + len(self.data)
 
     def show(self, prefix=''):
         outstr = prefix + "port_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
         outstr += ofp_error_msg.show(self, prefix + '  ')
         outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
         ##@todo Consider trying to parse the string
@@ -248,8 +234,7 @@
 
     def __eq__(self, other):
         if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
+        return (ofp_error_msg.__eq__(self, other) and
                 self.data == other.data)
 
     def __ne__(self, other): return not self.__eq__(other)
@@ -267,30 +252,28 @@
     """
     def __init__(self):
         ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_QUEUE_OP_FAILED
+        self.version = OFP_VERSION
+        self.type = OFPT_ERROR
+        self.err_type = OFPET_QUEUE_OP_FAILED
         self.data = ""
 
     def pack(self, assertstruct=True):
         self.header.length = self.__len__()
-        packed = self.header.pack()
+        packed = ""
         packed += ofp_error_msg.pack(self)
         packed += self.data
         return packed
 
     def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
         binary_string = ofp_error_msg.unpack(self, binary_string)
         self.data = binary_string
         return ""
 
     def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
+        return OFP_ERROR_MSG_BYTES + len(self.data)
 
     def show(self, prefix=''):
         outstr = prefix + "queue_op_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
         outstr += ofp_error_msg.show(self, prefix + '  ')
         outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
         ##@todo Consider trying to parse the string
@@ -298,8 +281,7 @@
 
     def __eq__(self, other):
         if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
+        return (ofp_error_msg.__eq__(self, other) and
                 self.data == other.data)
 
     def __ne__(self, other): return not self.__eq__(other)