Cadence Warning & errors! [Please Help me to understand

[cadenceUK]

cdscd negative cadence warning

Warning from spectre during initial setup.
I12.M0: `Cdscd' = -28.83e-06 is negative.
I8.M0: `Cdscd' = -28.83e-06 is negative.
I7.M0: `Cdscd' = -28.83e-06 is negative.
I36.M0: `Cdscd' = -28.83e-06 is negative.
Further occurrences of this warning will be suppressed.
I34.M0: `Cdscd' = -28.83e-06 is negative.
Further occurrences of this warning will be suppressed.

Fatal error found by spectre during topology check.
The following branches form a loop of rigid branches (shorts) when added to
the circuit:
V2 (from Vic to 0)
V4 (from AGG to 0)

 

[vj007]

cadence warning

this tpe of error through spectre may come due to process technology parameters variations check your process technology file and model.scs file whatever you r making is not according to the particular process technology parameter.

 

[purnima.somkuwar]

cdscd negative

hi ,
i m making a asynchronous fifo in cadence .at the time of simulation this is giving the same error. if it is not according to the particular process technology parameter then what should i do for this .
plz reply as soon as possible .i will be remain very thankful to u.