Article ID: 000086085 Content Type: Error Messages Last Reviewed: 01/31/2023

Internal Error: Sub-system: CDB_ATOM, File: /quartus/db/cdb_atom/cdb_atom_sys.cpp, Line: 2682

Description

Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 17.1 Update 1 and earlier, you might see the following internal error during compilation of an Intel® Stratix® 10  FPGA design containing DUPLICATE_ATOM assignments.

Internal Error: Sub-system: CDB_ATOM, File: /quartus/db/cdb_atom/cdb_atom_sys.cpp, Line: 2682
Fanout can only be added to atom in same netlist.


The problem occurs when the "-from" node and "-to" node specified in the DUPLICATE_ATOM assignment are in two different design partitions.

Resolution

To work around this problem, ensure that "-from" node and "-to" nodes specified in a DUPLICATE_ATOM assignment are within the same design partition.

 

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