ID 485227 - Curves to Array curves constantly change direction when using a sculpt tool.

Problem summary
'Curves to Array curves constantly change direction when using a sculpt tool.
Customer reported version
modo.15.0v3
Customer reported platform
10.14
Steps to reproduce
1) Download and open the attached scene file.
2) Go to the Setup layout and select the Curves to Array node inside of the Schematic viewport.
3) Use the Push sculpting tool and notice that the curve changes direction indicated by the numbers changing on each vertex.
Expected behaviour
The curve should remain in the same direction.
Actual behaviour
The curve changes direction.
Workaround
Unknown. 
Reproduced by support
This bug has been reproduced in:
15.1v1 - Windows 10
15.0v1 - Windows 10
14.2v1 - Windows 10
14.1v1 - Windows 10
14.0v1 - Windows 10
13.0v1 - Windows 10
Earliest version tested
13.0v1 - This feature did not exist before this version.