Yet another error at the same line. I post it here in case it helps to anyone to diagnose the problem
[74435] signal 11 (1): Segmentation fault
in expression starting at /home/javier/.julia/dev/NLVibrationAnalysis/examples/arias_each_k/save_cb_for_k.jl:44
cholmod_l_super_numeric at /home/javier/.julia/juliaup/julia-1.11.3+0.x64.linux.gnu/bin/../lib/julia/libcholmod.so.5 (unknown line)
cholmod_l_factorize_p at /home/javier/.julia/juliaup/julia-1.11.3+0.x64.linux.gnu/bin/../lib/julia/libcholmod.so.5 (unknown line)
cholmod_l_factorize_p at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/wrappers.jl:1413
jfptr_cholmod_l_factorize_p_8726 at /home/javier/.julia/compiled/v1.11/NLVibrationAnalysis/oYBpf_JyrlB.so (unknown line)
factorize_p! at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/cholmod.jl:730
#cholesky!#12 at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/cholmod.jl:1459
cholesky! at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/cholmod.jl:1455 [inlined]
#cholesky#14 at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/cholmod.jl:1497 [inlined]
cholesky at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/cholmod.jl:1490 [inlined]
#cholesky#15 at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/cholmod.jl:1609 [inlined]
cholesky at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/SparseArrays/src/solvers/cholmod.jl:1609 [inlined]
#craigbampton_reduction#2 at /home/javier/.julia/dev/NLVibrationAnalysis/src/craigbampton.jl:123
craigbampton_reduction at /home/javier/.julia/dev/NLVibrationAnalysis/src/craigbampton.jl:118 [inlined]
#craigbampton_reduction#4 at /home/javier/.julia/dev/NLVibrationAnalysis/src/craigbampton.jl:181
craigbampton_reduction at /home/javier/.julia/dev/NLVibrationAnalysis/src/craigbampton.jl:144 [inlined]
#save_cb_for_k#3 at /home/javier/.julia/dev/NLVibrationAnalysis/examples/arias_each_k/save_cb_for_k.jl:29
save_cb_for_k at /home/javier/.julia/dev/NLVibrationAnalysis/examples/arias_each_k/save_cb_for_k.jl:22
unknown function (ip: 0x75d5497511dd)
top-level scope at /home/javier/.julia/dev/NLVibrationAnalysis/examples/arias_each_k/save_cb_for_k.jl:45
jl_toplevel_eval_flex at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/toplevel.c:934
jl_toplevel_eval_flex at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/toplevel.c:886
ijl_toplevel_eval_in at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/toplevel.c:994
eval at ./boot.jl:430 [inlined]
include_string at ./loading.jl:2734
_include at ./loading.jl:2794
include at ./sysimg.jl:38
unknown function (ip: 0x75d54970b842)
jl_apply at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/julia.h:2157 [inlined]
do_call at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/interpreter.c:126
eval_value at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/interpreter.c:223
eval_stmt_value at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/interpreter.c:174 [inlined]
eval_body at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/interpreter.c:663
jl_interpret_toplevel_thunk at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/interpreter.c:821
jl_toplevel_eval_flex at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/toplevel.c:943
jl_toplevel_eval_flex at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/toplevel.c:886
ijl_toplevel_eval_in at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/toplevel.c:994
eval at ./boot.jl:430 [inlined]
eval_user_input at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/REPL/src/REPL.jl:245
repl_backend_loop at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/REPL/src/REPL.jl:342
#start_repl_backend#59 at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/REPL/src/REPL.jl:327
start_repl_backend at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/REPL/src/REPL.jl:324
#run_repl#72 at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/REPL/src/REPL.jl:483
run_repl at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/usr/share/julia/stdlib/v1.11/REPL/src/REPL.jl:469
jfptr_run_repl_10097.1 at /home/javier/.julia/juliaup/julia-1.11.3+0.x64.linux.gnu/share/julia/compiled/v1.11/REPL/u0gqU_XvZAg.so (unknown line)
#1150 at ./client.jl:446
jfptr_YY.1150_14693.1 at /home/javier/.julia/juliaup/julia-1.11.3+0.x64.linux.gnu/share/julia/compiled/v1.11/REPL/u0gqU_XvZAg.so (unknown line)
jl_apply at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/julia.h:2157 [inlined]
jl_f__call_latest at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/builtins.c:875
#invokelatest#2 at ./essentials.jl:1055 [inlined]
invokelatest at ./essentials.jl:1052 [inlined]
run_main_repl at ./client.jl:430
repl_main at ./client.jl:567 [inlined]
_start at ./client.jl:541
jfptr__start_73609.1 at /home/javier/.julia/juliaup/julia-1.11.3+0.x64.linux.gnu/lib/julia/sys.so (unknown line)
jl_apply at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/julia.h:2157 [inlined]
true_main at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/jlapi.c:900
jl_repl_entrypoint at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/src/jlapi.c:1059
main at /cache/build/builder-demeter6-3/julialang/julia-release-1-dot-11/cli/loader_exe.c:58
unknown function (ip: 0x75d634e2a1c9)
__libc_start_main at /lib/x86_64-linux-gnu/libc.so.6 (unknown line)
unknown function (ip: 0x4010b8)
Allocations: 11870456 (Pool: 11870143; Big: 313); GC: 1555
[1] 74435 segmentation fault (core dumped) julia --project --threads=auto