diff -r 7d9256aab337 -r 8facecb02e42 server/sources/native.py
--- a/server/sources/native.py	Mon Nov 24 15:43:18 2014 +0100
+++ b/server/sources/native.py	Mon Nov 24 16:22:40 2014 +0100
@@ -769,6 +769,9 @@
                         raise UniqueTogetherError(etype, rtypes)
                     # sqlite
                     mo = re.search('columns (.*) are not unique', arg)
+                    if mo is None:
+                        # sqlite > 3.7
+                        mo = re.search('UNIQUE constraint failed: (.*)', arg)
                     if mo is not None: # sqlite in use
                         # we left chop the 'cw_' prefix of attribute names
                         rtypes = [c.strip()[3:]