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Learn to manage BIM workflows and create professional Archicad templates with the BIM Manager Program.

Project data & BIM
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Error Message: 'not enough room in the heap zone'

Anonymous
Not applicable
When saving some big files in Archicad, I keep getting:

'not able to save file. not enough room in the heap zone'

Then the program closes. So I am unable to save.

I have increased the virtual memory to see if that would make any difference, however its giving same error.

Any suggestions?

Thanks.
12 REPLIES 12
Link
Graphisoft Partner
Graphisoft Partner
It's not an old issue at all - it has to do with dynamic memory allocation and can occur in a file that may have mass amounts of polygons, large images, etc.

Check the wiki.

Cheers,
Link.
Anonymous
Not applicable
Link wrote:
It's not an old issue at all - it has to do with dynamic memory allocation
Guess I just haven't seen it for a very long time. I thought with all our GB of RAM and modern memory managers we were long past that.
Anonymous
Not applicable
The two Items I noted from the Wiki page were:

too little RAM or virtual memory in the system. - Check if the combined size of the physical RAM installed in your system, and the size of Virtual Memory that the Operating system is allowed to use is equal to 4 GB.

too "heavy" a file or 3D model. - You can use the PolyCount Add-on in ArchiCAD 10 and above to check your model size. Anything over 2 million polygons could cause trouble. Note that in section and elevation views, if vectorial shadow casting is turned on, the shadow polygons also add to the model polygons, therefore Heap Zone error occur in section generation more frequently than in 3D view. Try to simplify unnecessary details, limit the section depth, or if nothing helps, divide the section in two different parts to achieve a smaller model size.

Attached is a Virtual Memory dialog box. Is this the place for this setting. Seems to be adequate.

As far as the PolyCount, I will have to research how this works. I have been suspect all along with the Mesh fill Patterns, but in previous versions of AC I had never had this problem.

I have other posts out there asking other users what kind on fill pattern they are attributing to the Materials of there meshes, but I have seen few answers.
Virtual Memory.JPG