Error reloading plugins

@Katalon_Store
I’ve deleted the com.kms.katalon.prefs file, and I’m still not able to get the plugins that were assigned to my account. When I click on Reload plugin, I only get information that No plugins found. Please go to […]. What else should I do yo get the plugins?

Log:

!ENTRY org.eclipse.e4.ui.workbench 1 0 2019-05-16 08:43:16.605
!MESSAGE Credentials found. Reloading plugins.

!ENTRY org.eclipse.e4.ui.workbench 1 0 2019-05-16 08:43:17.693
!MESSAGE Latest plugins responses:

!ENTRY org.eclipse.e4.ui.workbench 1 0 2019-05-16 08:43:17.720
!MESSAGE Katalon version: 6.1.5

!ENTRY org.eclipse.e4.ui.workbench 1 0 2019-05-16 08:43:17.749
!MESSAGE Plugin info URL: https://store.katalon.com/api/products/ks?appVersion=6.1.5

Probably similar situation is described here: Katalon Studio Linux - how to refresh plugin?