Dear Concern,
When updating my theme, as showing the flowing errors:
Updating Theme XStore (1/1)
Downloading update from https://www.8theme.com/themes/api/files/get/xstore.zip?token=…
Unpacking the update…
An error occurred while updating XStore: The package could not be installed. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature
Disabling Maintenance mode…