I have a problem in in abstract tool related to tsmcN90lo This is the log file LOG (ABS-1420): Starting @(#)$CDS: ui version 5.1.0 06/20/2007 02:10 (cicln03) $, sub-version 5.10.41_USR5.90.69, on Linux 2.4.9-e. 57enterprise Initializing from libInit.il for library tsmcN90lo... *Error* getDirFiles: nonexistent or permission denied - "/h/dddd/ dddd_work/tsmcN90lo/../skill" INFO (ABS-100): Library prath1_n90lo opening /h/prathat/lo_prath/ prath1_n90lo LOG (ABS-212): Verifying Technology Data 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. ERROR (ABS-231): There is no correctly defined default via for layer CO. Ensure that the technology file includes a fully-defined default via for the layer in question. ERROR (ABS-231): There is no correctly defined default via for layer VIA1. Ensure that the technology file includes a fully-defined default via for the layer in question. ERROR (ABS-231): There is no correctly defined default via for layer VIA2. Ensure that the technology file includes a fully-defined default via for the layer in question. ERROR (ABS-231): There is no correctly defined default via for layer VIA3. Ensure that the technology file includes a fully-defined default via for the layer in question. ERROR (ABS-231): There is no correctly defined default via for layer VIA4. Ensure that the technology file includes a fully-defined default via for the layer in question. ERROR (ABS-231): There is no correctly defined default via for layer VIA5. Ensure that the technology file includes a fully-defined default via for the layer in question. ERROR (ABS-231): There is no correctly defined default via for layer VIAD. Ensure that the technology file includes a fully-defined default via for the layer in question. ERROR (ABS-248): Layer PO in via layer PO-CO-M1 must be a routing or masterslice layer. Define the layer in the appropriate subclass of the technology file, either prRoutingLayers or prMastersliceLayers ERROR (ABS-249): The layer2 slot in via layer PO-CO-M1, which is currently M1, must be a routing layer, otherwise the layers might appear in the wrong order in LEF. Define the layer in the prRoutingLayers class of the technology file. INFO (ABS-232): Layer summary: 0 metal layer(s), 7 via layer(s), 1 poly layer(s), and 1 diff layer(s) found INFO (ABS-234): Via summary: 0 default via(s) and 0 non-default via(s) found INFO (ABS-235): There are errors in the technology data that require to be resolved before proceeding to the abstract generation steps. can anyone plz help me