[gmx-users] Magic Number Error in XTC file

[Rebeca García Fandiño]

Hello,
I am trying to joing different .xtc fragments of a gromacs trajectory using trjcat (Gromacs 4.0.2 version). 
 
 
trjcat_sp -f file1.xtc file2.xtc -o join1_2.xtc
 
I get the following error:
 
(...)
 
Reading frame       1 time 22202.002Summary of files and start times used:          File                Start time       Time step---------------------------------------------------------        file1.xtc        0.000 ps          2.000 ps        file2.xtc    22200.002 ps        2.000 psReading frame       0 time    0.000Continue writing frames from file1.xtc t=0 ps, frame=0 ->  frame   5610 time 11220.001 ps     ->  frame   5000 time 10000.000 ps-------------------------------------------------------Program trjcat_sp, VERSION 4.0.2Source code file: xtcio.c, line: 85Fatal error:Magic Number Error in XTC file (read 0, should be 1995)-------------------------------------------------------
Please, could anyone help me with the origin of this error?
 
Thank you very much for your help, in advance.
 
Best wishes,
 
Rebeca Garcia
Parc Cientific de Barcelona
regafan at hotmail.com
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