Line 110 ff.:
- DATETIME(3) does not exist fot mySql 	-> DATETIME
- State of GROUPITEM is never DOUBLE 	-> VARCHAR(200)
- Naming: ROLERSHUTTERITEM -> ROLLERSHUTTERITEM

Line 190 ff.: 
Now Get a Message for untreated ItemTypes

Line 284 ff.: 
get decimal places for DimmerItem, but can only work with Integer.
removed "'" around dezimales then then the DB rounds independently.
Solution is still quick and Dirty!!