Hello, Arup,
Thank you for reaching out, and please accept our apologies for the delayed response due to the weekend.
The issue you are experiencing appears to be related to renaming actions that were performed either by you or someone else on the site. Please note that we provide you with the XStore parent theme and the XStore child theme.
https://prnt.sc/O1iI2fbD–XP
Additionally, to ensure the proper import of the demo version, it is important to remove any previously installed demo content beforehand – https://prnt.sc/LPJ2qgu55AD4
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.
Best Regards,
8Theme’s Team