Can't upload new solution to server

[dysong3]

There is on old reply with this title that worked for some people.  However it didn't work for me.  The solution I found was here .https://support.claris.com/s/article/Q-A-Uploading-files-to-FileMaker-Server-fails-or-files-upload-slowly-after-upgrading-Apache-Server-to-version-2-4-51?language=en_US