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AR error in wrf

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New member
I am trying to compile the wrf model using compile em_real and I get the following error AR="INTERNAL_BUILD_ERROR_SHOULD_NOT_NEED_AR". How do I resolve this error?
Which version of WRF did you compile? What compiler did you use and in which mode (e.g., dumper, smear, etc) did you build the code?
Here is the website that guides people to build WRF/WPS. Please take a look and follow the steps one by one:

If you still have problems, please
type ./clean -a
then rebuild the code and save the log file for us to take a look.