************************
EXCEPTION: St12out_of_range
CInv::GetCommand() : type=15 unknown type
dash in ProcessMessages()

That happens when a v11 client gets a v12 message which it doesn't yet know.

Build a v12 client from here: https://github.com/dashpay/dash

git checkout master
git pull

after compile new source this error

/bin/mkdir -p '/usr/local/bin'
  /bin/bash ../libtool   --mode=installusr/bin/install -c dashd dash-cli dash-tx '/usr/local/bin'
libtool: install:usr/bin/install -c dashdusr/local/bin/dashd
libtool: install:usr/bin/install -c dash-cliusr/local/bin/dash-cli
libtool: install:usr/bin/install -c dash-txusr/local/bin/dash-tx
 /bin/mkdir -p '/usr/local/include'
 /usr/bin/install -c -m 644 script/bitcoinconsensus.h '/usr/local/include'
make[3]: Leaving directory `/home/bittrexcoin/DashCoin/src'
make[2]: Leaving directory `/home/bittrexcoin/DashCoin/src'
make[1]: Leaving directory `/home/bittrexcoin/DashCoin/src'
make[1]: Entering directory `/home/bittrexcoin/DashCoin'
make[2]: Entering directory `/home/bittrexcoin/DashCoin'
make[2]: Nothing to be done for `install-exec-am'.
make[2]: Nothing to be done for `install-data-am'.
make[2]: Leaving directory `/home/bittrexcoin/DashCoin'
make[1]: Leaving directory `/home/bittrexcoin/DashCoin'

sorry if somebody has already corrected this but - - - - - - -

You should be compiling from here: git clone https://github.com/dashpay/dash.git
and your good


WHY??? are you even on V11.x.x - ugh
[hangs-head]