# Issues on the sample refresh

Available in...

* Cloud API Services Platform
* Cloud Big Data
* Cloud Big Data Platform
* Cloud Data Fabric
* Cloud Data Integration
* Cloud Data Management Platform
* Cloud Pipeline Designer Standard Edition
* Data Fabric

## About this task

Information noteImportant: When the dataset sample cannot be refreshed, the dataset quality cannot be updated. The quality bars are no longer displayed in the Data quality tile and in the Sample view.

An error message is displayed in:

* The Sample view:

  Case A: ![Error message about fetching a new sample from the Sample view.](https://help.qlik.com/talend/en-US/data-inventory-user-guide/Resources/images/inv-sample-fail-sampleview-restore.png) This message indicates that the dataset is no longer correct. You can restore the previous sample but the quality bars and the Talend Trust Score™ will be grayed out.

  Update the dataset with a valid one.

  Case B: Follow the procedure below. ![Error message about the last sample refresh from the Sample view.](https://help.qlik.com/talend/en-US/data-inventory-user-guide/Resources/images/inv-sample-fail-sampleview.png)

* In the dataset overview: ![Error message about fetching a new sample from the dataset overview](https://help.qlik.com/talend/en-US/data-inventory-user-guide/Resources/images/inv-dq-tile-refesh-fails.png) ![Error message about the last sample refresh from the dataset overview.](https://help.qlik.com/talend/en-US/data-inventory-user-guide/Resources/images/inv-overview-refesh-fails.png)

## Procedure

1. Verify that the parameters of the connection and of the dataset are correct.
2. Click Refresh sample.
3. If the refresh still fails, verify that the Remote Engine is running. If it is not, restart it.
4. Click Refresh sample.
5. If the refresh still fails, contact Talend Support.