ID:176223 Can't pack register node <name> into non-LAB location

CAUSE: The specified register node is constrained to locations having no LABs, and the Fitter cannot pack the register into another block in those locations. The design may fail to fit the device because there may be no legal location for the register.

ACTION: See later messages for a description of the location constraint on the register and a description of the fitting problems. To resolve those problems, you may have to remove or relax the location constraints on the node, or modify your design to allow the register to be packed with a block in the specified locations.