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Vizlib Writeback Table / Input Form Best Practice and Troubleshooting - Known Issues / FAQ

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


TABLE OF CONTENTS


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 v1.0.2.zip, 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. 
https://<ServerURL>extensions/VizlibSupport/VizlibSupport.html


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. 


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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


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Data Connection Not Found


If you are using Vizlib Writeback Table with a QVD/CSV/TXT data output type (for serverless and server) and return a Data connection not found error, please check the data load editor to make sure the data connection settings are set up correctly (Figure 6). 


Figure 6: Data Connection Not Found


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Create App Button Not Appearing


If the Create App button does not appear in your Qlik Sense Hub or you return a Create session app error (Figure 7), please take the following steps. 


 Figure 7: Create Session App Error

  • Log into your Qlik Management Console. 
  • Open the Nodes settings, and check that Node Purpose is set to Both (Figure 8). 


Figure 8: Node Purpose


You can find further information on editing nodes in Qlik Sense on the Qlik Sense site here.


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Does a Qlik Sense Analyzer License work with Vizlib Writeback Table / Input Form?


Vizlib Writeback Table and Vizlib Input Form can only be used with Qlik Sense Analyzer and Analyzer Capacity Licenses if you have an Enterprise user license for Vizlib Collaboration and create and use a server-side destination. Serverless writeback access is available, but only supports users with Qlik Sense Professional licenses.


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K
Kenneth is the author of this solution article.

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