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[Discuss-gnuradio] OFDM frame equalizer length tag

From: Alice Lo Valvo
Subject: [Discuss-gnuradio] OFDM frame equalizer length tag
Date: Wed, 6 Dec 2017 23:54:11 +0100
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

Hi,

I duplicated the OFDM Frame Equalizer block, and all it works, I added a second input port which is connect with another block that is a tagged_stream block. I don't understand the reason of this error:
gr::log :FATAL: frame_equalizer_alix0 - Missing a required length tag on port 1 at item #0
thread[thread-per-block[49]: <block frame_equalizer_alix (17)>]: Missing length tag.
Length tag is there.. any ideas?

Thanks in advance.
Alice

Attachment: Schermata 2017-12-06 alle 23.51.39.png
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