Problem summary
Reference expressions pointing to rootNode parameters are broken when importing the scene they are in as the rootNode portion of the expression is incremented.
Customer reported version
Katana 4.5v3
Customer reported platform
CentOS 8
Steps to reproduce
1) Create a Group node
2) Add a number user parameter and set its expression to =rootNode/currentTime
3) Save the scene and File > Import... it
Expected behaviour
The reference expression is still =rootNode/currentTime
Actual behaviour
The reference expression becomes =rootNode1/currentTime
Workaround
Unknown.
Reproduced by support
This bug has been reproduced in:
Katana 5.0v3 - Windows 10
Katana 4.5v3 - Windows 10
Katana 4.0v8 - Windows 10
Katana 3.6v5 - Windows 10
Katana 3.5v5 - Windows 10
Katana 3.2v6 - Windows 10
Katana 3.1v7 - Windows 10
Katana 3.1v1 - Windows 10
Earliest version tested
3.1v1 - This issue appears to be in all versions of the product