lua: error loading module 'cjson' from file '/usr/local/lib/lua/5.3/cjson.so': dlopen(/usr/local/lib/lua/5.3/cjson.so, 6): Symbol not found: _lua_objlen Referenced from: /usr/local/lib/lua/5.3/cjson.so Expected in: flat namespace in /usr/local/lib/lua/5.3/cjson.so stack traceback: [C]: in ? [C]: in function 'require' log.lua:6: in main chunk [C]: in ?
$ luarocks remove lua-cjson $ luarocks install lua-cjson 2.1.0-1