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Activity could not be loaded because of errors in the XAML - Solution Steps

Issue : Scenario 1 (for older version lower than 2018.2.1) Getting “Activity could not be loaded because of errors in the XAML” when trying to open a development . Solution : Scenario 1 Try installing the V7 compatibility package from Package manager. It will be UiPath.V7.Activities it is responsible for compatibles between the major versions. Example “Write Range” and “Write CSV” activities are not showing up in UiPath. where the “Write Range” activity is supposed to be, an error is s…