Zamp

Debug logging helps identify and resolve issues with tax calculations, transaction syncing, and API communication.

Go to WooCommerce → Settings → Zamp Tax

1. Go to WooCommerce → Settings → Zamp Tax
2. Check the "Enable Debug Logging" option
3. Click "Save Changes"

Note: Debug logging will record detailed information about tax calculations, API calls, and transaction processing. This may impact performance if left enabled for extended periods.

Navigate to WooCommerce → Status → Logs

- In older plugin versions:
 - <code>zamp-zamp_api-*.log</code>- API communication logs.
 - <code>zamp-transactions-*.log</code>- Transaction processing logs.
 - <code>zamp-calculations-*.log</code>- Tax calculation logs.
- <code>plugin-zamp-tax</code>- all plugin-related logs.

1. Navigate to WooCommerce → Status → Logs
2. Look for files starting with "zamp-"
3. Common log files include:
 - In older plugin versions:
 - <code>zamp-zamp_api-*.log</code>- API communication logs.
 - <code>zamp-transactions-*.log</code>- Transaction processing logs.
 - <code>zamp-calculations-*.log</code>- Tax calculation logs.
 - <code>plugin-zamp-tax</code>- all plugin-related logs.

Debug - Detailed information for troubleshooting

Info - General operational messages

Error - Problems that need attention

Critical - Severe issues requiring immediate action

- Debug - Detailed information for troubleshooting
- Info - General operational messages
- Error - Problems that need attention
- Critical - Severe issues requiring immediate action

When reviewing logs, pay special attention to:

- API response codes other than 200
- Failed transaction messages
- Invalid address validation responses
- Token validation errors

- "Not connected" API token status
- Failed API calls
- Timeout errors

Verify your API token is entered correctly

Confirm your token hasn't expired with Zamp's Support team

1. Verify your API token is entered correctly
2. Ensure your site can reach api.zamp.com
3. Check for SSL/TLS issues
4. Confirm your token hasn't expired with Zamp's Support team

- Incorrect tax amounts
- Missing tax calculations
- Tax showing for non-taxable states

Verify nexus states are configured correctly

1. Verify nexus states are configured correctly
2. Check product tax codes
3. Validate shipping address formatting
4. Review tax exemption settings

- Failed transaction syncs
- Incomplete batch processing
- Missing transactions in Zamp dashboard

Verify order statuses are "Completed" or "Processing"

Ensure correct date range for historical syncs

1. Check "Send Transactions" is enabled
2. Review failed transactions report
3. Verify order statuses are "Completed" or "Processing"
4. Ensure correct date range for historical syncs

- Invalid token errors
- Authentication failures
- Expired tokens

Generate a new token in your Zamp dashboard

Remove and re-add the token in WooCommerce settings

1. Generate a new token in your Zamp dashboard
2. Remove and re-add the token in WooCommerce settings
3. Check token permissions and scope
4. Clear any cached token data

If you continue experiencing issues after trying these solutions, please reach out!

Contact Zamp support with the logs and steps to reproduce

1. Enable debug logging
2. Reproduce the issue
3. Download the relevant log files
4. Contact Zamp support with the logs and steps to reproduce

Zamp for WooCommerce: Troubleshooting & Logging

Find answers and get help from Intercom Support and Community Experts

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Zamp for WooCommerce: Troubleshooting & Logging

Troubleshooting Zamp Tax

Debug Logging

Enabling Debug Logs

Finding Log Files

Understanding Log Messages

Common Error Resolution

Common Issues & Solutions

Connection Issues

Calculation Errors

Sync Failures

API Token Problems