Hello Norman,
My problem was also solved by your method. Many thanks!
In spite of the existing libSQLDBCHDB.so with permission 777 in dir /usr/sap/<SID>/DVEBMGS00/exe/dbhdbslib.so, I copied it from /usr/sap/hdbclient/. Then the exactly-the-same problem was solved 
Best Regards,
Eachann