'System.CLSCompliantAttribute' ERROR ?????

[Guest]

Can anyone explain this?

------ Build started: Project: DMSWeb, Configuration: Debug .NET ------

Preparing resources...
Updating references...
Performing main compilation...
vbc : warning BC41000: Attribute 'System.CLSCompliantAttribute' cannot be
specified more than once in this project, even with identical parameter
values.
vbc : error BC30129: Assembly attribute
'System.Runtime.InteropServices.GuidAttribute' is not valid: Assembly custom
attribute 'System.Runtime.InteropServices.GuidAttribute' was specified
multiple times with different values
Building satellite assemblies...
Satellite assemblies could not be built because the main project output is
missing.


---------------------- Done ----------------------

Build: 0 succeeded, 1 failed, 0 skipped