Fix the version check when no database exists

SickBeard.py

@@ -263,8 +263,11 @@ def main():
     sickbeard.CFG = ConfigObj(sickbeard.CONFIG_FILE)
 
     if db.DBConnection().checkDBVersion() > MAX_DB_VERSION:
-        print 'Your database version has been incremented past what this version of Sick Beard supports.'
-        print 'Have you used other forks of Sick Beard with this same database file?'
+        print 'Your database version has been incremented'
+        print 'past what this version of Sick Beard supports.'
+        print
+        print 'If you have used other forks of SB which have'
+        print 'modified your database it may now be unusable.'
         sys.exit(1)
 
     # Initialize the config and our threads

sickbeard/db.py

@@ -55,7 +55,12 @@ def __init__(self, filename="sickbeard.db", suffix=None, row_type=None):
             self.connection.row_factory = sqlite3.Row
 
     def checkDBVersion(self):
-        result = self.select("SELECT db_version FROM db_version")
+        try:
+            result = self.select("SELECT db_version FROM db_version")
+        except sqlite3.OperationalError, e:
+            if "no such table: db_version" in e.message:
+                return 0
+
         if result:
             return int(result[0]["db_version"])
         else: