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QlikView: Failing reloads, macros, and BNF script reload mode

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Sonja_Bauernfeind
Digital Support
Digital Support

QlikView: Failing reloads, macros, and BNF script reload mode

Reloads and macros may fail after an upgrade from QlikView 11.20 to later versions.

A complete list of symptoms include:

  • Expression editor may throw an error
  • Chart may show empty
  • Chart may show "Incomplete visualization"
  • Chart may show "Invalid dimension"
  • And any other odd behavior that would mimic a change in the script (expression, set analysis, etc)
  • Macros cannot be reloaded


Environment:

 

A new script reload mode has been introduced: BNF. This requires scripts to be modified to match the BACKUS-NAUR FORMALISM.

BNF mode can be temporarily disabled in QlikView versions prior to November 2018 (12.30). Any later release require scripts to be correctly rewritten.

 

Only applicable prior to 12.30:

All the flags mentioned below are disabled in 12.30 and later.

Disabling BNF reload mode on the local QlikView client:

Update the QV.exe  Settings.ini file by adding the line EnableBnfReload=0 under the [Settings 7] tag for the default reload setting "EnableBnfReload".
By default, Settings.ini can be found in C:\%USER%\AppData\Roaming\QlikTech\QlikView?
 

Disabling BNF reload mode for the entire server :

Update the QVB.exe  Settings.ini by adding the line EnableBnfReload=0 under the [Settings 7] tag for the default reload setting "EnableBnfReload"
By default, the Settings.ini can be found in C:\Windows\System32\config\systemprofile\AppData\Roaming\QlikTech\QlikViewBatch. For more information please review Where to find the QlikView QVB settings file

Modify it to read:

[Settings 7]
EnableBnfReload=0


Disabling BNF reload mode for individual apps:

Add the ///$bnf off tag at the top of the script (it must be within the first 50 characters of the script). Reload the script.

It is a good idea to use the ///$bnf off tag as a troubleshooting step.  See if toggling this setting in the load script will cause a change in the suspect behavior.
 

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Last update:
‎2021-11-16 08:52 AM
Updated by:
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