Curve piping sporadically turning off

I have a project where I have fencing with pickets. I created all the pickets (as a block) and support posts with curves that have the “curve piping” enabled.
Randomly throughout the work process the curves lose their ‘curve piping’ setting. Not sure if this happens due to the file size or some other reason.
(I have read recently on older version of Rhino there was an issue with curve piping within a block. Wondering if this is still an issue?)

Any ideas?

–System Information –
Rhino 7 SR31 2023-6-15 (Rhino 7, 7.31.23166.15001, Git hash:master @ 850d276b2d59d7e51843939e4cf674b356bcd354)
License type: Commercial, build 2023-06-15
License details: Cloud Zoo

Windows 11 (10.0.22621 SR0.0) or greater (Physical RAM: 63Gb)

Computer platform: DESKTOP

Standard graphics configuration.
Primary display and OpenGL: NVIDIA GeForce RTX 3090 (NVidia) Memory: 24GB, Driver date: 7-12-2023 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 536.67
> Accelerated graphics device with 4 adapter port(s)
- Secondary monitor attached to adapter port 0
- Windows Main Display attached to adapter port 1

Secondary graphics devices.
AMD Radeon™ Graphics (AMD) Memory: 1GB, Driver date: 3-7-2023 (M-D-Y).
> Accelerated graphics device with 5 adapter port(s)
- There are no monitors attached to this device!

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 4.6 (primary GPU’s maximum)

Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 7-12-2023
Driver Version: 31.0.15.3667
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 24 GB

Rhino plugins that do not ship with Rhino
C:\Users\Rob\AppData\Roaming\McNeel\Rhinoceros\7.0\Plug-ins\Lumion LiveSync for Rhino (839d6175-32d1-4ffe-a0a4-b7fb43cf0ff5)\2021.3.25.899\Lumion\Rhino 7.0\LumionPlugin.rhp “Lumion LiveSync for Rhino”
C:\ProgramData\McNeel\Rhinoceros\7.0\Plug-ins\Datasmith Rhino Exporter (d1fdc795-b334-4933-b680-088119cdc6bb)\DatasmithRhino7.rhp “Datasmith Exporter” 5.2.1.0

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 7\Plug-ins\Commands.rhp “Commands” 7.31.23166.15001
C:\Program Files\Rhino 7\Plug-ins\WebBrowser.rhp “WebBrowser”
C:\Program Files\Rhino 7\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 7\Plug-ins\RhinoScript.rhp “RhinoScript”
C:\Program Files\Rhino 7\Plug-ins\RhinoBonusTools.rhp “Rhino Bonus Tools”
C:\Program Files\Rhino 7\Plug-ins\RhinoLabsTools.rhp “Rhino Labs Tools”
C:\Program Files\Rhino 7\Plug-ins\IdleProcessor.rhp “IdleProcessor”
C:\Program Files\Rhino 7\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 7.31.23166.15001
C:\Program Files\Rhino 7\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 7.31.23166.15001
C:\Program Files\Rhino 7\Plug-ins\rdk_ui.rhp “Renderer Development Kit UI”
C:\Program Files\Rhino 7\Plug-ins\import_ACAD.rhp “AutoCAD file import: import_ACAD”
C:\Program Files\Rhino 7\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 7\Plug-ins\Alerter.rhp “Alerter”
C:\Program Files\Rhino 7\Plug-ins\RhinoCycles.rhp “RhinoCycles” 7.31.23166.15001
C:\Program Files\Rhino 7\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 7.31.23166.15001
C:\Program Files\Rhino 7\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 7\Plug-ins\BlockEdit.rhp “BlockEdit” 7.31.23166.15001
C:\Program Files\Rhino 7\Plug-ins\Displacement.rhp “Displacement”

Hi Robert -

I’m not seeing that in a quick test here. Have you tried to see if you run into this when all 3rd party plug-ins are disabled and Rhino restarted?
-wim

Thanks for responding.
I have no 3rd party plugins.
I started a completely new project and the same issue is arising.
I decided to due away with curve piping within blocks to avoid the issue.

Hi Robert -

If you have steps to reliably reproduce this, please post those steps and a small 3dm file so that this issue can be looked into.
-wim

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