Cannot publish Themes from Theme Builder after plugin was updatedIssue ProblemUnable to publish Themes from the Theme Builder. Clicking the Publish option does not publish the Theme. The instance is on Zurich and the Theme Builder plugin was recently updated to the latest version.Steps to reproduce: Open Theme BuilderSelect a ThemeClick the Publish optionThe Theme does not publish. ReleaseGenericCauseRoot CauseIn this case, the issue was caused by an incorrectly configured dark variant record attached to the theme. Seems to be the dark record was added manually instead of through the intended "Add alternative color panel" feature in the Theme Builder.ResolutionSteps to Resolve1. Identify and delete the incorrect dark variant record associated with the theme. This record was manually added and should be removed.2. Return to the Theme Builder and attempt to publish the theme again. The theme should now publish successfully. Notes: How to identify and delete the incorrect dark variant? You can follow up these steps: Go to sys_ux_theme.listSearch and open the theme with issuesThere is a dark variant usedThat is using a dark style That style was used to be part of the dark variant Step #3, which is no correct because when the dark variant is needed, that can be set from "Add alternative color panel" from the theme builder instead of adding manually. Deleted record on Step #3 from that theme This deleted the variant but not the dark style which is correct After that the theme does not have that dark variant.