Render Isocurves strange repeat

I have a weird repeat of the surface render and isocurves post effect. What is wrong?
Thank you

Hello- please run the SystemInfo command in Rhino and copy/paste the results here.


Rhino 7 SR21 2022-7-27 (Rhino 7, 7.21.22208.13002, Git hash:master @ c31aea87137a5d0de449338a7ef6856f49dd4797)
License type: Commercial, build 2022-07-27
License details: Cloud Zoo

Apple macOS Version 10.14.6 (Build 18G103) (Physical RAM: 16Gb)
Mac Model Identifier: MacBookPro11,5
Language: sv-SE (MacOS default)

AMD Radeon R9 M370X OpenGL Engine (OpenGL ver:4.1 ATI-2.11.20)

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On

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

Vendor Name: ATI Technologies Inc.
Render version: 4.1
Shading Language: 4.10
Maximum Texture size: 16384 x 16384
Z-Buffer depth: n/a
Maximum Viewport size: 16384 x 16384
Total Video Memory: 2 GB
Graphics: AMD Radeon R9 M370X
Displays: DELL UP2716D (109dpi 1x), Color LCD (221dpi 2x)

Graphics processors
AMD Radeon R9 M370X (2 GB)
Color LCD (1440 x 900)
DELL UP2716D (2560 x 1440 @ 59 Hz)
Intel Iris Pro (1536 MB)

Bluetooth devices
Broadcom: Logitech Bluetooth Mouse M555b

Third party kernel extensions
at.obdev.nke.LittleSnitch (5474) 21D3E540-82E5-38B3-9030-999B3D754C89
com.Cycling74.driver.Soundflower (2) 2D779840-7439-31E5-8A66-D786C3F47B75
com.disc-soft.DAEMONTools.VirtualSCSIBus (1.0.2) D80AE31F-3268-3A72-BE24-A24F0AE19AEA

Third party plugins
/Users/thomasbroome/Library/Application Support/McNeel/Rhinoceros/packages/7.0/IntelDenoiser/0.6.4/libtbb.dylib
/Users/thomasbroome/Library/Application Support/McNeel/Rhinoceros/packages/7.0/IntelDenoiser/0.6.4/libtbbmalloc.dylib

Rhino plugins that do not ship with Rhino
/Users/thomasbroome/Library/Application Support/McNeel/Rhinoceros/packages/7.0/AMDDenoiser/0.5.3/AMDDenoiser.Mac.rhp “AMDDenoiser.Mac”
/Users/thomasbroome/Library/Application Support/McNeel/Rhinoceros/packages/7.0/IntelDenoiser/0.6.4/IntelDenoiser.Mac.rhp “IntelDenoiser.Mac”
/Users/thomasbroome/Library/Application Support/McNeel/Rhinoceros/packages/7.0/ProRender/ “ProRender”

Rhino plugins that ship with Rhino
/Applications/Rhino “RhinoCycles” 7.21.22208.13002
/Applications/Rhino “Snapshots” 7.21.22208.1002
/Applications/Rhino “Grasshopper” 7.21.22208.13002
/Applications/Rhino “PanelingTools” 7.21.22208.1002
/Applications/Rhino “AnimationTools” 7.21.22208.1002
/Applications/Rhino “Commands” 7.21.22208.13002
/Applications/Rhino “Renderer Development Kit” 7.21.22208.1002
/Applications/Rhino “RDK_EtoUI” 7.21.22208.13002
/Applications/Rhino “Displacement” 7.21.22208.1002
/Applications/Rhino “Rhino Render” 7.21.22208.13002
/Applications/Rhino “IronPython” 7.21.22208.13002
/Applications/Rhino “Legacy Rhino Render” 7.21.22208.1002