How do I resolve permission errors when logging a run?

To resolve permission errors when logging a run to a W&B entity, follow these steps:

Verify entity and project names: Ensure correct spelling and case sensitivity of the W&B entity and project names in your code.
Confirm permissions: Ensure necessary permissions have been granted by the administrator.
Check log-in credentials: Confirm log-in to the correct W&B account. Test by creating a run with the following code:
```
import wandb

run = wandb.init(entity="your_entity", project="your_project")
run.log({'example_metric': 1})
run.finish()
```
Set API key: Use the WANDB_API_KEY environment variable:
```
export WANDB_API_KEY='your_api_key'
```
Confirm host information: For custom deployments, set the host URL:
```
wandb login --relogin --host=<host-url>
export WANDB_BASE_URL=<host-url>
```

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