Error while running a macro

Hi all,

I have a workbook that is on the server.
I have a vb.net application that creates a copy of this workbook along with the macros and a macro named Color is run(executed) from vb.net application.

I get the following error message:

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The error is produced in the line:

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Have attached the entire macro code.

Any help on this will be helpful.
Thanks for all the previous help that I got from this forum.