(set-exception-printer! 'no-data scm-error-printer)
(set-exception-printer! 'no-recovery scm-error-printer)
(set-exception-printer! 'null-pointer-error scm-error-printer)
(set-exception-printer! 'no-data scm-error-printer)
(set-exception-printer! 'no-recovery scm-error-printer)
(set-exception-printer! 'null-pointer-error scm-error-printer)