1) I have installed the bundled js_composer. The error is related to the auto update feature which is NOT available when bundled. I uninstalled and reinstalled and for now the error is not being triggered.
2) Slider Revolution has an update available, BUT Newspaper does NOT have the updated version available for its customers. Slider Revolution references that the current installed version is 6.2.17 and states that version is 6.2.18 need to be installed for projects to be saved. Since it is a bundled version, the update needs to come from the Newspaper theme’s team. See: https://www.sliderrevolution.com/documentation/install-activate-and-update#plugin-updates
2a) what you are telling me is Newspaper bundles plugins as an incentive to purchase the product and then fails to provide timely updates, which is too bad because overall Newspaper is a great WP theme.
