ERROR: "Toolchain required to build project is not registered" in Intel's DS-5

After install of intel DS-5, I can build example from C:\intelFPGA\18.1\embedded\examples\software successfuly

But then I tried to use the example File:SoCFPGA-GettingStarted-AV-ARMCC.tar.gz from the wiki:

All examples from this page are failed with error:

**** Build of configuration Debug for project SoCFPGA-GettingStarted-AV-ARMCC ****

Toolchain required to build project is not registered: ARM Compiler 5 (DS-5 built-in)

Can anyone Please help,

ranran

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