Can’t restore

Hi,
I tried to restore plugins but could not finish.
I think the server can’t unzip. Do you know what should I especifically ask to the server admin?
Thank for your help

0000.007 () Unzipping backup_2022-09-22-0930_a8c363cc4c17-plugins.zip to ...wp-content/upgrade/6a44aee5/ using UpdraftPlus_ZipArchive, starting index 0
0000.007 () ZipArchive returned an error (will try again with PclZip): incompatible_archive
0000.007 () Unzipping backup_2022-09-22-0930__a8c363cc4c17-plugins.zip to ...wp-content/upgrade/6a44aee5/ using UpdraftPlus_PclZip, starting index 0
0000.014 () Error message: The package could not be installed.
0000.014 () Error data (incompatible_archive): a:1:{s:12:"pclzip_error";s:80:"PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature";}
0000.019 () Restore failed...
0000.019 () Error message: The package could not be installed.
0000.019 () Error data (incompatible_archive): a:1:{s:12:"pclzip_error";s:80:"PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature";}
0000.019 () Restore failed