[TYPO3-mvc] Problems with Upload file

[Franz Koch]

Hey,

> When my form contains upload
>
> <f:form.upload property="file" name="img" />
>
> After click on submit form, i get error *#1251730701: The value must be of
> type "Tx_XXX_Domain_Model_Step", but was of type "NULL".*
> But when i use textbox replace upload, i can store input values into datbase

is your form of enctype multipart/form-data?

-- 
kind regards,
Franz Koch