nni2.2 error

[lym-zyl]

Describe the issue:

Environment:

• NNI version:2.2
• Training service (local|remote|pai|aml|etc):local
• Client OS:
• Server OS (for remote mode only):
• Python version:3.8.8
• Is conda/virtualenv/venv used?: anaconda3, jupyter
• Is running in Docker?:no

Configuration:

• Experiment config (remember to remove secrets!):nni"s trail "sklearn"
• Search space:nni"s trail "sklearn"

Log message:

How to reproduce it?:

[SparkSnail]

@lym-zyl this error caused by invalid json format of your nni experiment meta. could you please check the if content of "C:\users\nni-experiment.experiment" file is valid json? You could also delete this file and restart NNI experiment.