App was running fine, now getting (UndefinedFunctionError) function EXLA.NIF.start_log_sink/1 is undefined

** (Mix) Could not start application exla: EXLA.Application.start(:normal, []) returned an error: shutdown: failed to start child: EXLA.Logger
    ** (EXIT) an exception was raised:
        ** (UndefinedFunctionError) function EXLA.NIF.start_log_sink/1 is undefined (module EXLA.NIF is not available)
            (exla 0.6.4) EXLA.NIF.start_log_sink(#PID<0.388.0>)
            (exla 0.6.4) lib/exla/logger.ex:12: EXLA.Logger.init/1
            (stdlib 5.0.2) gen_server.erl:962: :gen_server.init_it/2
            (stdlib 5.0.2) gen_server.erl:917: :gen_server.init_it/6
            (stdlib 5.0.2) proc_lib.erl:241: :proc_lib.init_p_do_apply/3

I’m getting this error when running the app. It was running fine in the morning. Not experienced in elixir so if anyone has any idea. plz let me know