compile error

[zh199609]

In file included from /Users/zhang_lei/Documents/project/testread/libraries/Arduino_OPC_UA/src/open62541/arch/eventloop_posix_tcp.cpp:13:
/Users/zhang_lei/Documents/project/testread/libraries/Arduino_OPC_UA/src/open62541/arch/posix/mbed_tcp.h:5:10: fatal error: mbed.h: No such file or directory
    5 | #include "mbed.h"
      |          ^~~~~~~~
compilation terminated.
exit status 1

Compilation error: exit status 1

[per1234]

Hi @zh199609. Please add a comment here on the issue thread to tell us which board you have selected from Arduino IDE's Tools > Board menu.