Cannot intall new plugins :-(

[nika2000]

Hi!

I'd like to install a new plugin (Lightbox) in my cpg 1.5.12-installation, but I can't...
I choose the zip-File, click "upload", but nothing was installed. No errors :-(
Can anyone help?

[Αndré]

Please read the documentation: http://documentation.coppermine-gallery.net/en/plugins.htm#plugin_manager_upload_ftp

[nika2000]

thanks!