Problem deleting title block

[Charlies_3D_T]

Hello,

Someon in the company has made a title block but when i try to delete it i get the following error:

Delete Selections: problems encountered while executing this command.
This drawing resource cannot be deleted because it is currently in use. To delete a drawing resource, first delete all references to it from drawing sheets and other drawing resources.

The problem is that i can not find out where i can find the links to this title block. 

All help or tips are welcome!

Thank you

[HAFA12]

If it not in use on one of the sheets in the file it might be predefined in a sheet format (under drawing resources in your browser).

[Charlies_3D_T]

Thats the strange thing. It's not used but there has to be a link but i can
not find it.

[mdavis22569]

Can you share the file?

[johnsonshiue]

Hi! I believe Hans is right. It could be used in the sheet formats. Or, there was a corruption. Please share the file here.

Many thanks!

[lena.talkhina]

Hello @Charlies_3D_T !

Great to see you here on Inventor Forum.

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