Bug error during installation

[hellboy78]

Error: Call to a member function getBody() on null in src/addons/DBTech/eCommerce/Repository/GeoIp.php at line 27

1. DBTech\eCommerce\Repository\GeoIp->geoIpUpdate() in src/addons/DBTech/eCommerce/Setup.php at line 166
2. DBTech\eCommerce\Setup->postInstall() in src/XF/AddOn/AddOn.php at line 523
3. XF\AddOn\AddOn->postInstall() in src/XF/Admin/Controller/AddOn.php at line 701
4. XF\Admin\Controller\AddOn->actionFinalize() in src/XF/Mvc/Dispatcher.php at line 321
5. XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 244
6. XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 100
7. XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 50
8. XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2177
9. XF\App->run() in src/XF.php at line 390
10. XF::runApp() in admin.php at line 13