Question: Wondering treat of maple in reading m files

In the name of God

 

I have 2 worksheets open, in my maple16 screen

In one of them I do

save rrK,"ttKazem.m"

and can easily restart and after that read "ttKazem.m" in that worksheet

but in the other worksheet, unfortunately read "ttKazem.m" yields:

Error, Could not open 'ttKazem.m' for reading

 

That's really wonderfull. Any idea?

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