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://www.8theme.com/documentation/xstore/theme-installation/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