how to fix the following error in houdini?


Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/bridge, opdef:/modeler::Sop/bridge?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/bridge?modeler::Sop/bridge

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/crease, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/crease, opdef:/modeler::Sop/crease?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/crease?modeler::Sop/crease

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/edge_flow, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/edge_flow, opdef:/modeler::Sop/edge_flow?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/edge_flow?modeler::Sop/edge_flow

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/extrude, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/extrude, opdef:/modeler::Sop/extrude?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/extrude?modeler::Sop/extrude

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/extrude_points, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/extrude_points, opdef:/modeler::Sop/extrude_points?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/extrude_points?modeler::Sop/extrude_points

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/falloff_xform, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/falloff_xform, opdef:/modeler::Sop/falloff_xform?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/falloff_xform?modeler::Sop/falloff_xform

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/flatten, ViewerStateModule", line 3, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/flatten, opdef:/modeler::Sop/flatten?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/flatten?modeler::Sop/flatten

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/hose, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/hose, opdef:/modeler::Sop/hose?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/hose?modeler::Sop/hose

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/loop_cut, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/loop_cut, opdef:/modeler::Sop/loop_cut?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/loop_cut?modeler::Sop/loop_cut

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/peak, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/peak, opdef:/modeler::Sop/peak?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/peak?modeler::Sop/peak

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/qprimitive, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/qprimitive, opdef:/modeler::Sop/qprimitive?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/qprimitive?modeler::Sop/qprimitive

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/relax, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/relax, opdef:/modeler::Sop/relax?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/relax?modeler::Sop/relax

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/slide, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/slide, opdef:/modeler::Sop/slide?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/slide?modeler::Sop/slide

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/thickness, ViewerStateModule", line 1, in <module>
  File "C:\Program Files\Side Effects Software\Houdini 20.5.278\python311\lib\site-packages-forced\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'modeler'

Error running event handler:
Traceback (most recent call last):
  File "modeler::Sop/thickness, opdef:/modeler::Sop/thickness?ViewerStateInstall", line 1, in <module>
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.278/houdini/python3.11libs\viewerstate\utils.py", line 1007, in register_pystate_embedded
    raise ViewerStateException(
viewerstate.utils.ViewerStateException: createViewerStateTemplate not found in oplib:/modeler::Sop/thickness?modeler::Sop/thickness