Fixes U4-1987 Error when attempting to save document type

2013-03-26 09:33:08 -01:00
parent 0e392b398c
commit b2414c1ab8
1 changed files with 2 additions and 1 deletions
--- a/src/umbraco.cms/businesslogic/ContentType.cs
+++ b/src/umbraco.cms/businesslogic/ContentType.cs
@@ -144,7 +144,8 @@ namespace umbraco.cms.businesslogic
                }
                foreach (Tuple<string, string> key in toDelete)
                {
-                    _propertyTypeCache.Remove(key);
+                    if(_propertyTypeCache.ContainsKey(key))
+                        _propertyTypeCache.Remove(key);
                }				
            }
 			//don't put lock around this as it is ConcurrentDictionary.