Generate LEF files with Abstract！

I use Abstract to genetate the LEF files from a layout. when I read the technology file, there are a lot of errors and warnings, as follow:

ERROR (ABS-216): There are insufficient metal layers defined in the current design. You must define at least two metal layers in the prRoutingLayers class of the technology file.3F

WARNING (ABS-252): Cannot create layer-purpose pair (CT, net) in the technology file. Check that you have permission to write to the technology file.

(ABS-254): Cannot save technology file. Check that you have permission to write to the technology file.
(ABS-256): Layer CT has either not been defined in the viaLayers section of the technology file or the layer function has not been identified as "cut" in the layerFunctions section.

WARNING (ABS-252): Cannot create layer-purpose pair (V1, net) in the technology file. Check that you have permission to write to the technology file.


....

There are a lot of such errors. The Technology file is the same as I layout.
Can someone tell me the what is wrong with it ?

Thanks!

The Cadence Abstract tool requires more information in the techfile than the layout tools.

can somebody know this problem?
I also...

3KS