If you post to a depreciation book in which you have not activated G/L integration for acquisition cost, you must post the acquisition cost from an FA journal.
Open the 
Fixed Asset
Journal window.
Fill in a journal line. Remember to fill in the Insurance No. field. Note that this field is not included in the standard layout, but you can insert it with the Show Column function.
For Help about a specific field, click the field and press F1.
Click Posting, Post to post the invoice.
If you have not placed a check mark in the Automatic Insurance Posting field in the FA Setup window, the program will have created a line in an insurance journal. To create an insurance coverage ledger entry, you must post this journal.
Setting Up General Default Values for Fixed Assets
Filling In and Posting FA Journals
Posting Acquisition Costs from FA Journals
Linking Fixed Assets to Insurance Policies
Updating Insurance Information