Error: No more room to save the record!
If you ever try to save a record and get an error no more room to save a record and you are sure that the hard drive has enough space to save data, it means that your data file has become larger than 2 Gigs and 4D needs to create another one. This was a limitation of older operating systems (32 bit) which didn't allow a single file to be larger than 2 Gigabytes.
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If you are running 4D Server, then go to the server program. From the 'Data' menu select 'Segments...'
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By default a datefile has about 2Gigs of capacity. If you exceed this amount, you can create additional segments to be linked together to form a datafile over 2 Gigs.
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Name your new segment file.
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Now you can see the second line is linked to the first one.
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How to turn on automatic segment creation?
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In order to make sure that you never encounter a segment full (or data cannot be written error), you can check a box to allow automatic segment creation.
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Click the "create new datasegment as needed" checkbox.
You are done!