Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
error: Unknown rich dependency op '(setq': (while (setq filename (read-from-minibuffer "")) (when (string-match-p "\\.el\\(\\.gz\\)?$" filename) (with-temp-buffer (insert-file-contents filename) (setq parsers nil) (while (search-forward-regexp "(treesit-\\(parser-create\\|ready-p\\) '" nil t) (add-to-list 'parsers (thing-at-point 'symbol t))) (when parsers (princ (concat ";" filename "\n")) (dolist (parser parsers) (princ (concat "tree-sitter(" parser ")" "\n")))))))
error: Unknown rich dependency op 'nil': (condition-case nil (while (setq filename (read-from-minibuffer "")) (when (string-match-p "\\.el\\(\\.gz\\)?$" filename) (with-temp-buffer (insert-file-contents filename) (setq parsers nil) (while (search-forward-regexp "(treesit-\\(parser-create\\|ready-p\\) '" nil t) (add-to-list 'parsers (thing-at-point 'symbol t))) (when parsers (princ (concat ";" filename "\n")) (dolist (parser parsers) (princ (concat "tree-sitter(" parser ")" "\n"))))))) (end-of-file nil))
error: Unknown rich dependency op '(setq': (while (setq filename (read-from-minibuffer "")) (when (string-match-p "\\.el\\(\\.gz\\)?$" filename) (with-temp-buffer (insert-file-contents filename) (setq parsers nil) (while (search-forward-regexp "(treesit-\\(parser-create\\|ready-p\\) '" nil t) (add-to-list 'parsers (thing-at-point 'symbol t))) (when parsers (princ (concat ";" filename "\n")) (dolist (parser parsers) (princ (concat "tree-sitter(" parser ")" "\n"))))))) (end-of-file nil)) t)
error: Dependency tokens must begin with alpha-numeric, '_' or '/': #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_102>(#<buffer  *load*> "/usr/lib/rpm/emacs_lisp.rec")
error: Dependency tokens must begin with alpha-numeric, '_' or '/': "/usr/lib/rpm/emacs_lisp.rec" nil t #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_102>)
error: Dependency tokens must begin with alpha-numeric, '_' or '/': "/usr/lib/rpm/emacs_lisp.rec"))

Build fails during dependency generating step when writing the resulting binary rpms.