I attempted to uninstall the bootstrap designs contractor yet after that I obtained the complying with mistake message. DrupalComponentPluginExceptionPluginNotFoundException: The “bootstrap_layout_builder: blb_col_1” plugin does not exist. Legitimate plugin IDs for DrupalCoreLayoutLayoutPluginManager are: layout_twocol_section, layout_threecol_section, layout_fourcol_section, layout_onecol, layout_twocol, layout_twocol_bricks, layout_threecol_25_50_25, layout_threecol_33_34_33, layout_builder_blank in DrupalCorePluginDefaultPluginManager->> doGetDefinition() (line 53 of core/lib/Drupal/ Component/Plugin/Discovery/ DiscoveryTrait.php). DrupalCorePluginDefaultPluginManager->> getDefinition() (Line: 16). DrupalCorePluginFactoryContainerFactory->> … Read more