Solved.

Never do the following:

(defmd frgo ()
        slot-1
        :slot-1 (c-in 0))

then later on

(setf (^slot-1) (c-in 1))
                        ^^^^^^^^
Cells doesn't recognize this (well, how should it? - it can't) so we're ruining the Cells metadata ...
(It has to be a normal setf without the c-in ...)

Cheers
   Frank

Am 17.11.2007 um 18:33 schrieb Frank Goenninger:

* PGP Signed: 11/17/07 at 18:33:22

Hi Kenny, hi all ...

i've never had this before ... Or so I think ;-)

What may cause

`=0/ANONCELL/NIL]' is not of the expected type `REAL'

to happen ? It's like some cell is not recognized as such and doesn't get "evaluated" correctly? Or is it?

Thx for any pointers...

Frank




* Frank Goenninger<[EMAIL PROTECTED]>
* 0xED320F02:0x05AE0907
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* PGP Signed: 11/17/07 at 18:33:22
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* Frank Goenninger<[EMAIL PROTECTED]>
* 0xED320F02:0x05AE0907

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