You didn't properly install your GNU Radio or one of its dependencies, or you've installed incompatible versions of the same software, or something of the like.
You should do a clean install on a clean system. Since the 3.6 branch has long outlived its community support, I can only wish you the best of luck, and reiterate what I usually say in such circumstances: It might be a good time to consider the time you invest into making old software run on old infrastructure as a loss, compared to what you'd gain trying to port the same software to a modern GNU Radio. Best regards, Marcus On Sun, 2019-07-07 at 15:06 +0430, Iman Iman wrote: > Hello everyone > We have installed GNU Radio v.3.6.5 on Debian 8.4 as it's mentioned > to be the compatible version with gr-extras which we need in our > project. > We faced an error in running pre-cog examples. Then for testing > purpose we ran demod.grc example, and encountered the same error. > This error and the grc is attached. > It would be appreciated if you kindly help us with this issue. > Thanks in advance. > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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