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[求助] help on power ground connection

[求助] help on power ground connection

please help, after placement, cts, route, dfm , it still reported a lot errors:
How to fix them?

icc_shell> verify_pg_nets
Cell ORCA_routed.err existed already. Delete it ...
Using [4 x 4] Fat Wire Table for METAL
Using [4 x 4] Fat Wire Table for METAL2
Using [4 x 4] Fat Wire Table for METAL3
Using [4 x 4] Fat Wire Table for METAL4
Using [3 x 3] Fat Wire Table for METAL5
Using [3 x 3] Fat Wire Table for METAL6
Checking [VSS]:

ERROR: There are 156 floating shapes

ERROR: There are 663 floating pins
Checking [VDD]:

ERROR: There are 213 floating shapes

ERROR: There are 614 floating pins
Checked 2 nets, 2 have Errors
Update error cell ...
1

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