greetings,

I am currently integrating a new layer for a device (memristor) into calibre LVS. I is a two terminal device with pins p and n. in the LVS. layers file, I defined the layer "RR" representing the memrsitor device and in the extraction file I wrote:

DEVICE memr (memr) RR M1(n) M2(p)
knowing that memr is the name of the model file. p and n are labels on the M2 and M1 layers repectively
The LVS gives me an error indicating that it cannot establish mask connectivity for layer M1. of course if I swap M1 and M2 in the DEVICE statement, the same error arises for M2.
I then added another connect statement to short M1 and M2 with RR:
CONNECT M1 M2 BY RR
DEVICE memr (memr) RR M1(n) M2(p)

when I added this statment, it indicates no matching subckt for memr in the src.net file. And, of course, when I look at the spice netlist, I find the memr device shorted and says no subckt.

Can someone help resolve that issue?
thanks

Don't you need a contact layer to connect the resistor to M1?