Hi Ghislain,
Below is whole of it.
INFO:conda.proconfig:proreg call
INFO:conda.proconfig:hive call
INFO:conda.proconfig:Detected ArcGISPro as product
INFO:conda.proconfig:proreg call
INFO:conda.proconfig:hive call
INFO:conda.proconfig:Detected ArcGISPro as product
DEBUG:__main__:conda.cli.main called with ('C:\\Program Files\\ArcGIS\\Pro\\bin\\Python\\Scripts\\conda.exe', 'create', '--clone', 'arcgispro-py3', '-p', 'C:\\Users\\myuser\\AppData\\Local\\ESRI\\conda\\envs\\myenv', '--no-shortcuts', '--pinned', '--json')
DEBUG:__main__:Ignoring first argument (C:\Program Files\ArcGIS\Pro\bin\Python\Scripts\conda.exe), as it is not a subcommand
INFO:conda.proconfig:proreg call
INFO:conda.proconfig:hive call
INFO:conda.proconfig:Detected ArcGISPro as product
INFO:conda.proconfig:proreg call
INFO:conda.proconfig:hive call
INFO:conda.proconfig:Detected ArcGISPro as product
DEBUG:__main__:conda.cli.main called with ('C:\\Program Files\\ArcGIS\\Pro\\bin\\Python\\Scripts\\conda.exe', 'proswap', '-p', 'C:\\Users\\myuser\\AppData\\Local\\ESRI\\conda\\envs\\myenv', '--json')
DEBUG:__main__:Ignoring first argument (C:\Program Files\ArcGIS\Pro\bin\Python\Scripts\conda.exe), as it is not a subcommand
INFO:conda.proconfig:proreg call
INFO:conda.proconfig:hive call
INFO:conda.proconfig:Detected ArcGISPro as product
INFO:conda.proconfig:proreg call
INFO:conda.proconfig:hive call
INFO:conda.proconfig:Detected ArcGISPro as product
DEBUG:__main__:conda.cli.main called with ('C:\\Program Files\\ArcGIS\\Pro\\bin\\Python\\Scripts\\conda.exe', 'proswap', '-p', 'C:\\Users\\myuser\\AppData\\Local\\ESRI\\conda\\envs\\myenv', '--json')
DEBUG:__main__:Ignoring first argument (C:\Program Files\ArcGIS\Pro\bin\Python\Scripts\conda.exe), as it is not a subcommand
Swap: Directory environment detected
Swap: Received request for proswap to local environment C:\Users\myuser\AppData\Local\ESRI\conda\envs\myenv
Swap: After path resolution, environment is C:\Users\myuser\AppData\Local\ESRI\conda\envs\myenv, named myenv, is local? True
Swap: The environment C:\Users\myuser\AppData\Local\ESRI\conda\envs\myenv doesn't contain NumPy, which is required for ArcGIS Pro.