[klm@kth ~]$ ugarit explore ~/.ugarit/home-projects.scm 
> ls

Error: backend-fs fs /var/store/ugarit/home-projects/:all-tags:Error from backend: "bad argument type: (#f) in cadr"

	Call history:

	parley.scm:195: syntax-check	  
	parley.scm:199: history-max-lines	  
	parley.scm:507: restore-terminal-settings	  
	parley.scm:123: stty#set-terminal-attributes!	  
	port?	  
	port->fileno	  
	ugarit.scm:143: string-split	  
	ugarit.scm:143: failure686	  
	ugarit.scm:143: failure697	  
	ugarit.scm:143: failure708	  
	ugarit.scm:143: failure719	  
	ugarit.scm:143: failure730	  
	ugarit.scm:143: failure741	  
	ugarit.scm:173: ls-vault	  
	ugarit.scm:63: call-with-current-continuation	  
	ugarit.scm:66: ugarit-core#fold-vault-node	  	<--