ID 504112 - "Find Attributes" option in the Attributes tab doesn't work and gives errors

Problem summary:

The "Find Attributes" button in the Attributes tab is non-functional and errors out.

Steps to reproduce:

1. Open any scene

2. Select a location in the Scene Graph

3. Open the Attributes tab and select on the "Find Attributes" option displayed as a magnifying glass

Expected behaviour:

We should be able to search through the attributes 

Actual behaviour:

This doesn't do anything. It throws errors. 

Workaround:

No known workaround.

Tested versions/platforms:

• 4.5v1 - Unaffected
• 5.0v1 - Affected