innovus跑布局布线时遇到问题

clocker0

新手上路烦请各位大佬指教！错误信息如下:
Start to collect the design information.
Build netlist information for Cell counter_4bit.
Finished collecting the design information.
Generating standard cells used in the design report.
Analyze library ...
Analyze netlist ...
Analyze timing ...
Analyze floorplan/placement ...
Analysis Routing ...
Report saved in file rpt//route_design.rpt.
#################################################################################
# Design Stage: PostRoute
# Design Name: counter_4bit
# Design Mode: 5nm
# Analysis Mode: MMMC OCV
# Parasitics Mode: No SPEF/RCDB
# Signoff Settings: SI Off
#################################################################################
Extraction called for design 'counter_4bit' of instances=40 and nets=46 using extraction engine 'preRoute' .
PreRoute RC Extraction called for design counter_4bit.
RC Extraction called in multi-corner(2) mode.
RCMode: PreRoute
      RC Corner Indexes            0       1   
Capacitance Scaling Factor   : 1.00000 1.00000
Resistance Scaling Factor    : 1.00000 1.00000
Clock Cap. Scaling Factor    : 1.00000 1.00000
Clock Res. Scaling Factor    : 1.00000 1.00000
Shrink Factor                : 1.00000
PreRoute extraction is honoring NDR/Shielding/ExtraSpace for clock nets.
Using Quantus QRC technology file ...
Updating RC grid for preRoute extraction ...
Initializing multi-corner resistance tables ...
PreRoute RC Extraction DONE (CPU Time: 0:00:00.0  Real Time: 0:00:00.0  MEM: 1562.836M)
AAE_INFO: 1 threads acquired from CTE.
Calculate early delays in OCV mode...
Calculate late delays in OCV mode...
Start delay calculation (fullDC) (1 T). (MEM=1565.85)
Total number of fetched objects 44
AAE_INFO: Total number of nets for which stage creation was skipped for all views 0
Total number of fetched objects 44
AAE_INFO: Total number of nets for which stage creation was skipped for all views 0
End delay calculation. (MEM=1619.49 CPU=0:00:00.0 REAL=0:00:00.0)
End delay calculation (fullDC). (MEM=1601.95 CPU=0:00:00.6 REAL=0:00:00.0)
Writing Netlist "counter_4bit.v" ...
**ERROR: (IMPSYT-6692):        Invalid return code while executing 'run_invs.tcl' was returned and script processing was stopped. Review the following error in 'run_invs.tcl' then restart.
**ERROR: (IMPSYT-6693):        Error message: run_invs.tcl: missing operand at _@_
in expression "(0x0 + _@_)/2".
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