Don't use old version of wallet 0.7.5-16-g6c9c0be-dirty-kal (protocol 90001)
Use 5.3-5.4
You mean do not use the newer versions?
According to
https://github.com/kalgecin/CACHeCoin/tags the 5.3 dates from 31 May 2014, and there have been many versions after it