Error: (line 1) unterminated list

	Call history:

	<eval>		[physics-world-contacts] (##sys#block-ref x 3)
	<eval>		[make-physics-world] (keyword-arg-ref args gravity:)
	<eval>		((eval-file (string-append root "/data.scm")) root hash physics-world)
	<eval>		(eval-file (string-append root "/data.scm"))
	<eval>		(string-append root "/data.scm")
	<eval>		[eval-file] (eval (cons (quote begin) (with-input-from-file filename read-file)) (interaction-environment))
	<eval>		[eval-file] (cons (quote begin) (with-input-from-file filename read-file))
	<eval>		[eval-file] (with-input-from-file filename read-file)	<--