实飞代码编译过程出现问题：我的matlab版本为2017b，编译e5.4按ppt操作步骤设置实飞实验，编译代码出现如下问题

[changf325]

Error(s) encountered while building "AttitudeControl_FLY":

Failed to generate all binary outputs.

Caused by: Validation error(s):

Validating other build tools ...

Unable to locate build tool "Pixhawk Toolchain C Compiler": echo Unable to locate build tool "Pixhawk ToolchainC Pre-Linker": echo Unable to locate build tool "Pixhawk Toolchain Archiver": echo

[changf325]

问题已经解决，由于我没有区分清楚固件的版本，PSPfile文件夹下的msg文件复制错误。