Org mode version 9.5.5 (9.5.5-geeae6e

#+CALL: test1()

#+RESULTS:
: 1

#+CALL: test2()

Fails with: Format specifier doesn’t match argument type

* Test
#+name: test1
#+begin_src elisp
1
#+end_src
#+NAME: test2
#+begin_src elisp
(org-sbe "test1")
#+end_src