Hello, @oshannel,
Please try the solution from this topic – https://www.8theme.com/topic/the-package-could-not-be-installed-pclzip_err_bad_format-10-unable-to-find-2/
– follow next steps:
– unregister theme – https://prnt.sc/fIdNdLjNXJai
– enter purchase code and register theme
– go to Dashboard > Updates > click Check again link https://prnt.sc/yygl09
You may try to update the theme after that and you should not face any issues.
OR do the update manually via ftp – https://xstore.helpscoutdocs.com/article/63-theme-update
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Kind Regards,
8theme team