| CAUSE: | A LAB contains the specified number of logic cells, of which the specified number have a location assignment. However, the Fitter cannot place the LAB in the specified region. The location assignments on the logic cells resulted in the Fitter attempting to place the LAB in the region, but the LAB could not be placed.. |
| ACTION: | Reduce the number of carry or cascade chains which span multiple LABs in the device, remove the region assignments from the logic cells, or increase the size of the location or region assignment for the logic cells in the LAB. |
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