Encelade

I would like to write a table of strings and numbers using made using cellblock command.

It works, I got a text file with all the data.

But when I open this table using "open" message to a new cellblock, I got the error message :

I would like to write a table of strings and numbers using made using cellblock command.
It works, I got a text file with all the data.
But when I open this table using "open" message to a new cellblock, I got the error message : 

myfile : bad magic number
cellblock: error reading myfile

Error on opening file for cellblock : "Bad magic number"