CAD Tracer: Object Not Set to Reference

This error can be caused by one of two omissions: 1. The Revit project may not have been saved. 2. One may have selected the 'Trace In Family' option and missed selecting the Family Template to use. If your ini file does not contain the path to the family files, please ensure that the path is added under 'Places' of the Revit options. If you continue having this error, please send us an email.

Error: Cannot Run External Application "Librarian"

Several users have complained about a persistent error when launching the Librarian. The most common reason for this error is the inability of the App to write into the Windows user profile folder.

Reason for the Error:

Microsoft Ransomware Protection through the 'Protected Folders'  is enabled. This prevents the App from accessing the user profile to Cache Library Data.

Solution(s):

Two possible solutions exist:

1. Disable Controlled Folder Access Control or

2. Create Exceptions (can be tedious) to allow access to the following location:

C:\Users\%USERNAME%\AppData\Roaming\Librarian

Below are screenshots of the Windows Security User Interface leading to the Controlled Access folder: