Compressed memory showing 0% in activity monitor

On one of my Mac Mini's (late 2012), upgraded to 16GB RAM, I keep getting out of memory messages when running apps and on checking the activity monitor it is showing 0% for all running apps under the compressed memory column. I'm running OS-X 10.10.3.
Any ideas on what's going on here? I've tried resetting the NVRAM....

The system isn't compressing memory because is doesn't yet need to; 16GB is pretty generous. The 'Memory' column includes shared memory (system libraries) so there can be a lot of 'double counting' in the figures. You can control+click on the 'Memory' column headers to get other measures.
Try opening Safari and open a dozen tabs with different complicated pages in each one of them, e.g. some pages news.bbc.co.uk. I'm sure you'll be able to start compression eventually.
Meanwhile, your original issue is a bug, or corrupted file, associated with Solibri Model Viewer. You'll probably need to contact its developer for assistance as I doubt that enough users will be reading this forum for you to get an answer here.
C.

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