Revit Family Reload Error

Issue:

Sometimes after editing a family you will not able to load a family. Revit gives an error as shown below:

 

An error occurred in family "XXXXX.rfa" that cannot be automatically resolved.
Error Information:
"Last type in system family 'Stacked Wall' cannot be deleted."

After this error the user needs to cancel a reload.

I looked for journal files, it gives me below:

< DBG_WARN: Family contains category id -2009633, gstyle type 2, gstyle id 483342.  That category id and gstyle type map to a gstyle id of invalidElementId in the project.  (In practice, this is most commonly caused by a mismatch between the version number passed to addNewGStyles and the version number in the table in ProjectStyles.cpp, due to an incomplete renumbering of an upgrade.

So as per this I searched for id 483342 element. Surprisingly in my titleblock family it's showing this ID for Analytical Braces. I selected it and deleted this blank element. Afterwards I tried for Purge and auditing a family. But still facing same issue

Cause:

This issue occurs when upgrade a family to Revit 2015.

Solution:

 The Autodesk has solution as per below link:

https://knowledge.autodesk.com/support/revit-products/troubleshooting/caas/sfdcarticles/sfdcarticles/Error-Message-at-loading-families-Last-type-in-system-family-Stacked-Wall-cannot-be-deleted.html

As I mentioned above this solution didn’t worked for me.

Workaround:

After several trials, I have a got a simple workaround to this. You need to just transfer object styles from Family to Project using “Transfer Project Standards”.

I know that many of us already upgraded to Revit 2016 & Revit 2017 version. But in case if you have any project going on Revit 2015 and you come across such error, follow the workaround.

 

Import a AutoCAD file to Revit

While importing a AutoCAD in Revit some of a times we received a error message as shown below

Aftertwards if you check out a impoted a in a Revit it shows you huge extent of impotred file.

This issue you can't fix it with Revit.To fix it you need to go to your AutoCAD file.

This error occurs becaue of 

1. The insertion point of any of block is far away from a inserted location.

2. The center point of a arc is a far away.

3. X-clip binded block contains a objects which are not within a extents.

The major cause of this error is a center point of Arch. In order to fix your drawing,you always start with a Arcs of a drawing.

Before importing a file to CAD always check :

1. Units of a drawing.

To check units of a drawing go to for classic menu Format → Units. or for Ribbon / Application Menu go to  Application menu→Drawing Utilities→Units or use shortkey UN.

The best way use keyboard shortkey.

Your Revit and AutoCAD drawing units should be identical.

2. Set a drwaing limits. To set drawing limits for classic menu go to Format→Drawing Limit or use shortkey LIMITS.

3. On and Thaw all layers then zoom  a drawing to extents.It should show whole drawing fit to model space. If it is not visible properly then remove unwanted entities which are away from your drwaing.

4.Purge and Audit a drawing.