diff --git a/src/sgfParser/node.py b/src/sgfParser/node.py
--- a/src/sgfParser/node.py
+++ b/src/sgfParser/node.py
@@ -1,4 +1,4 @@
-from . import skipWhitespace, ParserError
+from . import skipWhitespace, ParserWarning
 from .property import Property, GAME_INFO
 
 
@@ -9,21 +9,23 @@ class Node:
 		self.children=[]
 
 	@staticmethod
+	def fits(s,i):
+		return i<len(s) and s[i]==";"
+
+	@staticmethod
 	def create(s,start):
+		assert Node.fits(s,start)
 		res=Node()
-		if s[start]!=";":
-			# print("error when parsing Node")
-			return (start,None)
+
 		i=skipWhitespace(s,start+1)
-		i,x=Property.create(s,start+1)
-		while x is not None:
+		while Property.fits(s,i):
+			i,x=Property.create(s,i)
 			if x.name in res.properties:
-				print(res.properties)
-				raise ParserError(0,0,'duplicate "{0}" property in node at position {1}. second value ignored'.format(x.name,start))
+				# !! raise or log or ignore
+				raise ParserWarning('duplicate "{0}" property in a node. second value ignored'.format(x.name),s,i)
 			else:
 				res.properties[x.name]=x
 			i=skipWhitespace(s,i)
-			i,x=Property.create(s,i)
 		return (i,res)
 
 	def isGINode(self):