List of files and the correct load order:

--Your map wad here--
complex-doom.v26a2.pk3
lca-v1.5.9.6.pk3
lca-djb-v5.pk3
randomons-v1.2.5.1.pk3
Nemesis_Hellsmith003.pk3
complex-doom-nexus_v1.96.pk3
complex-nexus-data_v0.3.pk3
reimagined-cf-sounds-v3.4.pk3
nexus-tlca-v2.4.pk3
cd-nexus-Infinity.pk3
cd-nexus-Infinity-data.pk3
cd-nexus-Infinity-music.pk3
cd-nexus-Infinity-intermission.pk3 (OPTIONAL)
uhd_weapons_infinity.pk3 (OPTIONAL)