Animation curves lost

Hi,

Would some one help with missing curves in the curve editor. As I click on my camera in the stage no curves are shown in the Curve Editor. And also I’m not allowed to add any keys. The system console shows following error messages:

2023-05-18 14:15:37 [337,729ms] [Error] [omni.stageupdate.python] ErrorException:
        Error in 'pxrInternal_v0_20__pxrReserved__::TfFastCompression::DecompressFromBuffer' at line 117 in file C:\b\w\ca6c508eae419cf8\USD\pxr\base\tf\fastCompression.cpp : 'Failed to decompress data, possibly corrupt? LZ4 error code: -3'
        Error in 'pxrInternal_v0_20__pxrReserved__::TfFastCompression::DecompressFromBuffer' at line 117 in file C:\b\w\ca6c508eae419cf8\USD\pxr\base\tf\fastCompression.cpp : 'Failed to decompress data, possibly corrupt? LZ4 error code: -3'

At:
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor_curves.py(305): _get_schema_keys
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor_curves.py(2562): _create_curve_of_attribute
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor_curves.py(2473): _use_curve_list
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor_curves.py(2497): _ui_add_track
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor_timeline.py(365): _ui_add_track
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor_view.py(414): _ui_add_track
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor.py(452): _ui_add_track
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor.py(445): _ui_add_new_selected_users
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor.py(474): _retained_add_new_selected_users
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor.py(482): _retained_update
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.anim.curve_editor-104.12.7+104.1\omni\anim\curve_editor\curve_editor.py(392): _on_stage_update
  c:\users\c1807014\appdata\local\ov\pkg\machinima-2022.3.0\extscache\omni.kit.widget.timeline-104.0.3+104.0\omni\kit\widget\timeline\scripts\ui_helpers.py(391): __call__

See also the attached print screen.