Error in Pkg Update

[Thomas D. Dean]

octave:1> pkg list
Package Name       | Version | Installation directory
-------------------+---------+-----------------------
          control  |   3.0.0 | /home/tomdean/octave/control-3.0.0
          general  |   2.0.0 | /home/tomdean/octave/general-2.0.0
         geometry  |   2.1.1 | /home/tomdean/octave/geometry-2.1.1
            image  |   2.6.0 | /home/tomdean/octave/image-2.6.0
image-acquisition  |   0.2.2 | /home/tomdean/octave/image-acquisition-0.2.2
               io  |   2.4.3 | /home/tomdean/octave/io-2.4.3
   linear-algebra  |   2.2.2 | /home/tomdean/octave/linear-algebra-2.2.2
          mapping  |   1.2.1 | /home/tomdean/octave/mapping-1.2.1
    miscellaneous  |   1.2.1 | /home/tomdean/octave/miscellaneous-1.2.1
              ocs  |   0.1.5 | /home/tomdean/octave/ocs-0.1.5
           odebvp  |   1.0.6 | /home/tomdean/octave/odebvp-1.0.6
           odepkg  |   0.8.5 | /home/tomdean/octave/odepkg-0.8.5
            optim  |   1.5.2 | /home/tomdean/octave/optim-1.5.2
       quaternion  |   2.4.0 | /home/tomdean/octave/quaternion-2.4.0
           signal  |   1.3.2 | /home/tomdean/octave/signal-1.3.2
          specfun  |   1.1.0 | /home/tomdean/octave/specfun-1.1.0
       statistics  |   1.2.4 | /home/tomdean/octave/statistics-1.2.4
           struct  |  1.0.14 | /home/tomdean/octave/struct-1.0.14
         symbolic  |   2.4.0 | /home/tomdean/octave/symbolic-2.4.0
octave:2> pkg update
For information about changes from previous versions of the image 
package, run 'news image'.
For information about changes from previous versions of the io package, 
run 'news io'.
For information about changes from previous versions of the statistics 
package, run 'news statistics'.
error: cellfun: C must be a cell array
error: called from
    get_forge_pkg at line 72 column 14
    pkg at line 567 column 29


Is this a known problem?  How can I determine which package is causing this?

Tom Dean