SQL filegroup problem

Hi All

Im running a script but it always fails with the error:

Executed as user: Administrator. The filegroup "DData" has no files assigned to it. Tables, indexes, text columns, ntext columns, and image columns cannot be populated on this filegroup until a file is added. [SQLSTATE 42000] (Error 50000).  The step failed.

I Check the database im running the script against and it appears ok:

I can see the filegroup and all the physical files are there

Screenshots attached (show file group and location of physical files)

So what could be the problem? Could the files be corrupt?
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Please post a capture of your database properties "Files" page
wilko100Author Commented:
Heres the capture
According to that there are no files assigned to DData, there are some attached to DCData.
Create a new file and assign it to DData.

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Microsoft SQL Server

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