Import assets from newly acquired company

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Hello,  I am trying to import assets from a newly acquired company.  I received an excel file that contains all the critical fields.  It also contains a field for assets that have taken 179 bonus depreciation at 100% and some assets with 50% bonus.  These assets also contain accumulated depreciation.  The assets with 50 % bonus depreciation has accumulated depreciation and is not fully depreciated. 

When I import the file, I get an error message that says

Error: Beginning accumulated depreciation may not exceed depreciable basis.

Can someone tell me how to fix this?

Thanks, 

Alan