Question about running Graminae.py

[cutykaka]

Thank you for creating such a great tool for constructing ancient genomes.
However, when I run the example script, Graminae.py, I've encountered the following error.

Restricted license - for non-production use only - expires 2025-11-24
Gurobi Optimizer version 11.0.3 build v11.0.3rc0 (linux64 - "CentOS Linux 7 (Core)")

CPU model: Intel(R) Xeon(R) Gold 6240R CPU @ 2.40GHz, instruction set [SSE2|AVX|AVX2|AVX512]
Thread count: 48 physical cores, 48 logical processors, using up to 32 threads

Error code 10010: Model too large for size-limited license; visit https://gurobi.com/unrestricted for more information
Traceback (most recent call last):
File "/BiO/Program/IAGS/Gramineae.py", line 30, in
MultiCopyGGHPmodel(dup_child_file, outgroup_file, outAncestor4dir,
File "/BiO/Program/IAGS/models/MultiGGHPmodel.py", line 37, in MultiCopyGGHPmodel
adjacency_matrix = ggap.ancestor_adjacency_matrix()
File "/BiO/Program/IAGS/inferringAncestorGenomeStructure/GGHP.py", line 226, in ancestor_adjacency_matrix
result.append(v.x)
File "src/gurobipy/var.pxi", line 125, in gurobipy.Var.getattr
File "src/gurobipy/var.pxi", line 153, in gurobipy.Var.getAttr
File "src/gurobipy/attrutil.pxi", line 103, in gurobipy._getattr
AttributeError: Unable to retrieve attribute 'x'. Did you mean: 'X'?

Could this be an issue with Gurobi, or is there something else causing the problem?
I installed Gurobi via conda, but I've still encounter this issue.