catkin_make failed

[donghs1234]

make other files is common
when i run catkin_make on this project,it remind me
"CMake Error at /opt/ros/melodic/share/catkin/cmake/catkin_workspace.cmake:95 (message):
This workspace contains non-catkin packages in it, and catkin cannot build
a non-homogeneous workspace without isolation. Try the
'catkin_make_isolated' command instead.
Call Stack (most recent call first):
CMakeLists.txt:67 (catkin_workspace)

-- Configuring incomplete, errors occurred!
See also "/home/beagle/canopen3git_ws/build/CMakeFiles/CMakeOutput.log".
See also "/home/beagle/canopen3git_ws/build/CMakeFiles/CMakeError.log".
Invoking "cmake" failed
"
then i used catkin_make_isolated,it remind me that
"Scanning dependencies of target canopen_ros_chain
[ 65%] Building CXX object CMakeFiles/canopen_ros_chain.dir/src/ros_chain.cpp.o
In file included from /home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:3:0:
/home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h: In member function ‘virtual bool XmlRpcSettings::getRepr(const string&, std::__cxx11::string&) const’:
/home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h:29:39: error: passing ‘const XmlRpc::XmlRpcValue’ as ‘this’ argument discards qualifiers [-fpermissive]
value = &((value)[segment]);
^
In file included from /home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h:6:0,
from /home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:3:
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:100:18: note: in call to ‘XmlRpc::XmlRpcValue& XmlRpc::XmlRpcValue::operator[](const string&)’
XmlRpcValue& operator[](std::string const& k) { assertStruct(); return (_value.asStruct)[k]; }
^~~~~~~~
In file included from /home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:3:0:
/home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h:34:31: error: passing ‘const XmlRpc::XmlRpcValue’ as ‘this’ argument discards qualifiers [-fpermissive]
sstr << (value)[n];
^
In file included from /home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h:6:0,
from /home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:3:
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:100:18: note: in call to ‘XmlRpc::XmlRpcValue& XmlRpc::XmlRpcValue::operator[](const string&)’
XmlRpcValue& operator[](std::string const& k) { assertStruct(); return (_value.asStruct)[k]; }
^~~~~~~~
/home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp: In member function ‘bool canopen::RosChain::setup_node(const XmlRpc::XmlRpcValue&, const string&, const canopen::MergedXmlRpcStruct&)’:
/home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:475:25: error: ambiguous overload for ‘operator[]’ (operand types are ‘const XmlRpc::XmlRpcValue’ and ‘const char [3]’)
node_id = params["id"];
^
In file included from /home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h:6:0,
from /home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:3:
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:97:24: note: candidate: const XmlRpc::XmlRpcValue& XmlRpc::XmlRpcValue::operator const
XmlRpcValue const& operator[](int i) const { assertArray(i+1); return _value.asArray->at(i); }
^~~~~~~~
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:97:24: note: conversion of argument 1 would be ill-formed:
/home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:475:30: error: invalid conversion from ‘const char*’ to ‘int’ [-fpermissive]
node_id = params["id"];
^
In file included from /home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h:6:0,
from /home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:3:
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:98:18: note: candidate: XmlRpc::XmlRpcValue& XmlRpc::XmlRpcValue::operator
XmlRpcValue& operator[](int i) { assertArray(i+1); return _value.asArray->at(i); }
^~~~~~~~
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:98:18: note: conversion of argument 1 would be ill-formed:
/home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:475:30: error: invalid conversion from ‘const char*’ to ‘int’ [-fpermissive]
node_id = params["id"];
^
In file included from /home/beagle/canopen3git_ws/src/ros_canopen/socketcan_interface/include/socketcan_interface/xmlrpc_settings.h:6:0,
from /home/beagle/canopen3git_ws/src/ros_canopen/canopen_chain_node/src/ros_chain.cpp:3:
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:100:18: note: candidate: XmlRpc::XmlRpcValue& XmlRpc::XmlRpcValue::operator[](const string&)
XmlRpcValue& operator[](std::string const& k) { assertStruct(); return (_value.asStruct)[k]; }
^~~~~~~~
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:100:18: note: passing ‘const XmlRpc::XmlRpcValue’ as ‘this’ argument discards qualifiers
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:101:18: note: candidate: XmlRpc::XmlRpcValue& XmlRpc::XmlRpcValue::operator[](const char*)
XmlRpcValue& operator[](const char* k) { assertStruct(); std::string s(k); return (_value.asStruct)[s]; }
^~~~~~~~
/opt/ros/melodic/include/xmlrpcpp/XmlRpcValue.h:101:18: note: passing ‘const XmlRpc::XmlRpcValue’ as ‘this’ argument discards qualifiers
CMakeFiles/canopen_ros_chain.dir/build.make:62: recipe for target 'CMakeFiles/canopen_ros_chain.dir/src/ros_chain.cpp.o' failed
make[2]: *** [CMakeFiles/canopen_ros_chain.dir/src/ros_chain.cpp.o] Error 1
CMakeFiles/Makefile2:556: recipe for target 'CMakeFiles/canopen_ros_chain.dir/all' failed
make[1]: *** [CMakeFiles/canopen_ros_chain.dir/all] Error 2
Makefile:140: recipe for target 'all' failed
make: *** [all] Error 2
"
i search for it but cant solve,so i look help here.