bytecomp warnings when starting emacs, any help?

[touxstone]

I got this output when starting emacs but have no clue about fixing if so, any help on this, please?? I'd appreciate it.

Warning (bytecomp): defcustom for ‘org-static-blog-publish-url’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-publish-title’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-publish-directory’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-posts-directory’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-drafts-directory’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-index-file’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-index-length’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-archive-file’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-tags-file’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-enable-tags’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-enable-deprecation-warning’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-rss-file’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-page-header’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-page-preamble’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-page-postamble’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-langcode’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-use-preview’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-preview-convert-titles’ fails to specify type [2 times]
Warning (bytecomp): defcustom for ‘org-static-blog-preview-ellipsis’ fails to specify type [2 times]