Undefined function or variable 'cds_innersrr'.

Hello,

For the below cds_srr function  call, I am getting error in matlab. could you please suggest if it is a known bug or if there is any workaround available?

Please let me know if you need more details.Thanks

Tool Version:

Matlab version: R2015A

MMSIMHOME=/p/hdk/cad/mmsim/14.10.804
MMSIM=/p/hdk/cad/mmsim/14.10.804
MMSIM_OVERRIDES_VER=14.10.804.0

CODE: struct_n = cds_srr(c.outfile, c.sweep, params_

Error:

Undefined function or variable 'cds_innersrr'.

Error in cds_srr (line 20)
sig = cds_innersrr(dirname, dataset, signame, verbose);

Error in techsweep_spectre (line 58)
struct_n = cds_srr(c.outfile, c.sweep, params_n{1});