Changing theme folder name disrupts widgets
Some themes save the recent sidebar widgets settings amongst other theme settings in wp_options as theme_mods_mynewtheme (assuming mynewtheme is your new theme folder name). If you lost some settings (including widget settings), you can copy/paste the option_value contents of theme_mods_myoldtheme into theme_mods_mynewtheme. That may help or at least restore some theme settings. However, that might … Read more