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Vizlib Writeback Table Troubleshooting - Known Issues / FAQ

This article contains fixes for any errors related to Vizlib Writeback Table


Clearing Reload Errors with Vizlib Support Mashup

If Vizlib Writeback Table is generating Reload Failed or Access Denied messages for users, follow these steps to use Vizlib Support Mashup to provide security role information and resolve the error. 

  • Download the Mashup file VizlibSupport, which you can find in the attachments section of this page. 
  • In your Qlik Management Console (QMC), open the Extensions directory and upload the mashup file. You can find install instructions in section 3 of our article here
  • Refresh your Qlik Sense Hub, then click on the icon in the top right corner of the screen and select Dev Hub (Figure 1). 

Figure 1: Dev Hub Open

  • Select the Mashups tab when the Dev Hub opens and click the VizlibSupport icon (Figure 2). 

Figure 2: Support Mashup Open

  • The mashup screen will open in the Preview tab. Click on View in the bottom right corner (Figure 3). You can also view the mashup with a URL. You can see an example structure below. 

Figure 3: Mashup Screen

  • To display a user's security settings. use the dropdowns Select User and Select App
  • Check the Status panel to see more information about the environment, selected app and selected user and how to resolve any issues.
  • Click on Export JSON in the Status panel to save the information. 
  • Capture the information in a screenshot and send to Vizlib Support, either via email or via our Community site. 

Reload Failed - Please Check Log File

If Vizlib Writeback Table reloads and returns an instruction Please check log file for more information (Figure 4) check the log file at the specified path for any for information. 

Figure 4: Please Check Log File

To clear the error please use the QMC to check the security rule reload permissions have been enabled.  Note: This permission needs to be enabled for both serverless and server-side data connections. 

Reload Failed - Cannot Open File

If Vizlib Writeback Table reloads and returns a Cannot open file error for the QVD file path

when writing back to a data source (Figure 5) please check write permissions in the QMC to clear this error. 

In the QMC, allow the user INTERNAL\sa_repository permission to access QVD files inside the folder specified by the Qlik Sense data source. Note: This permission needs to be enabled for both serverless and server-side data connections. 

Figure 5: Cannot Open QVD File

Kenneth is the author of this solution article.

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