# Re: FEC GnuRadio 3.7.8rc1 Error

**URL:** <https://www.ruby-forum.com/t/re-fec-gnuradio-3-7-8rc1-error/242897>\
**Category:** GNU Radio\
**Created:** [August 6, 2015, 7:34am UTC](https://www.ruby-forum.com/t/re-fec-gnuradio-3-7-8rc1-error/242897 "2015-08-06T07:34:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rafa\_F](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/958977/32.png) [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Post date:** [August 6, 2015, 7:34am UTC](https://www.ruby-forum.com/t/re-fec-gnuradio-3-7-8rc1-error/242897/1 "2015-08-06T07:34:11Z")

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On Thu, Aug 6, 2015 at 12:44 AM, Tom R. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> > ## …
> 
> The problem isn’t with the GUI sinks; you can replace them with null sinks

Tom,

Thanks for the update. Which block exactly is causing this? Should I  
wait  
for version 3.7.8 then?

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**Author:** ![bob\_wole](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/b4bc9f/32.png) [@bob\_wole](https://www.ruby-forum.com/u/bob_wole)\
**Post date:** [August 6, 2015, 7:15pm UTC](https://www.ruby-forum.com/t/re-fec-gnuradio-3-7-8rc1-error/242897/2 "2015-08-06T19:15:15Z")

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On Thu, Aug 6, 2015 at 1:31 AM, bob wole [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> > > I am running this flowgraph “fecapi\_async\_to\_stream.grc” that comes with  
> > > The only thing that changes is the item#.  
> > > related to Richard B.'s problem for a few weeks ago where adding a time  
> > > like we used to, and we can terminate early, so this should still be much
> 
> –  
> Bob

It’s not a block, it was in how the scheduler was handling tags.

The patch was applied to the master branch yesterday, and 3.7.8 will be  
out  
shortly.

Tom