[FieldTrip] Error 'One or more output arguments not assigned during call to "read_24bit'

[Emilie Caspar]

Hi Xavier, 

It worked perfectly, many thanks for this suggestion!

Emilie

---------------------------------------------
Emilie Caspar, Ph.D
 
CO3, Centre de Recherche Cognition et Neurosciences (CRCN), ULB 
Voice : +32 2 650 32 95 
mail : ecaspar at ulb.ac.be
office: DB10-138 

Social Brain Lab, Netherlands Institute for Neuroscience (NIN), KNAW
mail : e.caspar at nin.knaw.nl

> Le 26 août 2019 à 10:04, Xavier Vrijdag <x.vrijdag at auckland.ac.nz> a écrit :
> 
> Hi Emilie,
>  
> Biosemi has a repair tool on their website specific for this issue. After the repair, Fieldtrip should be able to read the data file. You can download the tool from: https://www.biosemi.com/download.htm <https://www.biosemi.com/download.htm>
>  
> Regards,
>  
> Xavier
>  
> From: fieldtrip <fieldtrip-bounces at science.ru.nl> on behalf of Emilie Caspar <ecaspar at ulb.ac.be>
> Reply-To: FieldTrip discussion list <fieldtrip at science.ru.nl>
> Date: Tuesday, 20 August 2019 at 5:14 PM
> To: "fieldtrip at science.ru.nl" <fieldtrip at science.ru.nl>
> Subject: [FieldTrip] Error 'One or more output arguments not assigned during call to "read_24bit'
>  
> Dear Fieldtripers,  
>  
> During one of my EEG sessions, the recording stopped because the computer was actually full. The file that results from this recording before it stopped contains almost all the data (weight 380 Mo) so I am sure that the signal have been recorded during this time period. 
>  
> However, when I am trying to preprocess this file, I have the following error:
>  
> One or more output arguments not assigned during call to "read_24bit".
>  
> Error in read_biosemi_bdf>readLowLevel (line 282)
>   buf = read_24bit(filename, offset, numwords);
>  
> Error in read_biosemi_bdf (line 257)
>       buf = readLowLevel(filename, offset, epochlength*nchans); % see below in subfunction
>  
> Error in ft_read_data (line 403)
>     dat = read_biosemi_bdf(filename, hdr, begsample, endsample, chanindx);
>  
> Error in ft_preprocessing (line 579)
>       dat = ft_read_data(cfg.datafile, 'header', hdr, 'begsample', begsample, 'endsample', endsample,
>       'chanindx', rawindx, 'checkboundary', strcmp(cfg.continuous, 'no'), 'dataformat', cfg.dataformat);
>  
> Error in preprocessing_Shock (line 64)
>     allData_preprosses = ft_preprocessing(cfg);
>  
> Other data files do not have any errors in the preprocessing, so this is really related to that file only and this is also the only one for which the recording stopped. 
>  
> I would like to know how to be able to save this data file and be able to perform my preprocessing. Since the data have been recorded normally before the crash, I guess that technically I should be able to, but I do not find any information.
>  
> Many thanks!
>  
> Emilie
>  
> 
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> https://doi.org/10.1371/journal.pcbi.1002202

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