a23 crash

It will crash, if it goes into the map of a23.
A server uses PWSERVER 1.4.6 v80 .datas PT-BR, and the client is using pwi719.

if u want help then post log with spoiler or code tag

\element\logs\EC.log

CECGameRun::CreateWorld, Failed to create maps\a23\a23.ecwld because md5 error.
CECGameRun::JumpToInstance, failed to create world 123
CECGameRun::Goto, Failed to jump to instance 123
exit process because failed to load building

help me.