Delete BCVIEW Object Error

Hi experts,

I create a BCO, BCC, BCVIEW OBJECT.

and add 「implementationProjects_WCView」

But I find a my BCC is mistake, I want to recreate a view to maintain the dropdown list

1、I delete the Assignthe conponent to view , OK

2、I delete BCC, OK

3、I delete BCVIEW, show error

or select BCO and BCVIEW to delete, error message show

How to do I can delete BCVEIW??

Best regards,

Daniel