Re: Error 75 - Invalid File Type Descriptor

#1 08-01-2008, 11:46 PM

"Patrick Rosenberg" <pater_rick@gmx.de> wrote in
news:GhExrORBPBKVMqeCpater_rick@gmx.de:

You have to use the source approce when converting databases where
GROUP-fields are in use. The 'build in' convert has allways just
returned with error. (That's the reason I don't use them anymore)

BKN

> Hi there,
>
> I have to enhance an Clarion 6.3 application. This app was developed
> with Clarion 5 or 5.5 I think and later on migrated to version 6. Now I
> have to extend one table with driver Topspeed in the dictionary. Every
> time I only change a flield a little bit, say to alter a field from
> string(5) to string(6), and try to convert the table I get the error
> message "Error (75): Invalid File Type Descriptor".
>
> I could isolate the problem to GROUP-fields containing two subfields to
> build one timestamp field . One subfield for the date component and the
> other for the time component. I found a trick to define the groups so
> that I was able to convert the tables but now the time component of the
> filed is missing. The date component is there.

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