The Created import collection contract can be closed at any time for several reasons.

To Close an existing Import Collection contract, BCTCAN transaction is used.

Select it from the menu item[Import Products -> Import Collection -> Other -> Close].

(Users can directly start this transaction by clicking the  (Launch transaction ) available in the Panel headline without having to select the relevant menu) 

When you have made your changes, click on the ( )  Save function to save all the the data entered in the transaction to the database.