The "PHP Fatal error: Call to undefined function gzinflate()" error message usually indicates that the zlib extension is not enabled in your PHP configuration.
zlib is a library that provides functions for compressing and decompressing data. The gzinflate function is used to decompress data that has been compressed with the gzip algorithm. If the function is undefined, it means that the zlib extension is not available in your PHP installation.
To fix this error, you will need to enable the zlib extension in your PHP configuration. This can usually be done by modifying the php.ini file and uncommenting the following line:
extension=zlib
To uncomment the line, remove the ; character at the beginning of the line.
After modifying the configuration, you will need to restart the web server to apply the changes.
It's important to note that the location and name of the php.ini file may vary depending on your PHP installation and operating system. You may also need to install the zlib extension if it is not already installed on your system. Consult the PHP documentation and your system's documentation for more information.