You are likely running an outdated version of the A32NX.
AviTab is a popular, free tablet plugin for X-Plane. Many third-party aircraft developers integrate it directly into their cockpits. The error message means your aircraft configuration utility is looking for the AviTab plugin file structure, but it cannot find it or it is turned off. Scenario 1: The AviTab Plugin is Missing
Inside the ISCS window:
Go back to Settings > Third-Party Accounts , click Unlink , and then repeat the linking process to refresh the security token. The Map is Blank or Missing Textures
If you are on X-Plane 12 , ensure you are using the latest version of AviTab compatible with the newer simulator engine.
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: Ensure you have downloaded the latest version of AviTab from the X-Plane.org forum and placed the "AviTab" folder into your X-Plane/Resources/plugins/ directory.
“Make sure to load the XP11 version of the aircraft... you can find here the Avitab tablet option. You have to check in.” X-Plane.Org Forum · 6 years ago How to Enable It