Hi. 
I have problem when i try to add Realistic Celestial Universe 
They separately work, but not together.
0.629 Info ModManager.cpp:434: FeatureFlag expansion-shaders = true
   0.629 Info ModManager.cpp:434: FeatureFlag freezing = true
   0.629 Info ModManager.cpp:434: FeatureFlag quality = true
   0.629 Info ModManager.cpp:434: FeatureFlag rail-bridges = true
   0.629 Info ModManager.cpp:434: FeatureFlag segmented-units = true
   0.629 Info ModManager.cpp:434: FeatureFlag space-travel = true
   0.629 Info ModManager.cpp:434: FeatureFlag spoiling = true
   0.668 Loading mod settings Constructron-Continued 2.0.14 (settings.lua)
   0.668 Loading mod settings FluidMustFlow 1.4.1 (settings.lua)
   0.669 Loading mod settings SpidertronEnhancements 1.10.6 (settings.lua)
   0.669 Loading mod settings alien-biomes 0.7.2 (settings.lua)
   0.670 Loading mod settings SpidertronPatrols 2.5.5 (settings.lua)
   0.670 Loading mod settings maraxsis 1.23.0 (settings.lua)
   0.670 Loading mod settings spaceplatform-block 0.2.1 (settings.lua)
   0.671 Loading mod settings maraxsis 1.23.0 (settings-updates.lua)
   0.671 Loading mod settings real-starry-universe 1.1.11 (settings-updates.lua)
   0.675 Loading mod core 0.0.0 (data.lua)
   0.698 Loading mod base 2.0.23 (data.lua)
   0.885 Loading mod Constructron-Continued 2.0.14 (data.lua)
   0.902 Loading mod elevated-rails 2.0.23 (data.lua)
   0.940 Loading mod FluidMustFlow 1.4.1 (data.lua)
   0.954 Loading mod quality 2.0.23 (data.lua)
   0.974 Loading mod SpidertronEnhancements 1.10.6 (data.lua)
   0.987 Loading mod space-age 2.0.23 (data.lua)
   1.373 Loading mod alien-biomes 0.7.2 (data.lua)
   1.375 Script @alien-biomes/data.lua:4: Log mods once: {
  ["Constructron-Continued"] = "2.0.14",
  FluidMustFlow = "1.4.1",
  SpidertronEnhancements = "1.10.6",
  SpidertronPatrols = "2.5.5",
  ["alien-biomes"] = "0.7.2",
  ["alien-biomes-graphics"] = "0.7.0",
  base = "2.0.23",
  ["elevated-rails"] = "2.0.23",
  maraxsis = "1.23.0",
  quality = "2.0.23",
  ["real-starry-universe"] = "1.1.11",
  ["space-age"] = "2.0.23",
  ["spaceplatform-block"] = "0.2.1"
}
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-01
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-02
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-02-red
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-03
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-04
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-05
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-06
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-06-brown
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-07
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-08
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-08-brown
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-08-red
   1.492 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-09
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-09-brown
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree tree-09-red
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree dry-tree
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree dead-tree-desert
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree dead-grey-trunk
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree dead-dry-hairy-tree
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree dry-hairy-tree
   1.493 Script @alien-biomes/prototypes/entity/trees.lua:47: Disabling tree water-cane
   1.569 Loading mod SpidertronPatrols 2.5.5 (data.lua)
   1.595 Loading mod maraxsis 1.23.0 (data.lua)
   1.660 Loading mod real-starry-universe 1.1.11 (data.lua)
   1.754 Loading mod spaceplatform-block 0.2.1 (data.lua)
   1.760 Error ModManager.cpp:1741: Failed to load mod "spaceplatform-block": spaceplatform-block/prototypes/technology.lua:266: attempt to index field '?' (a nil value)
stack traceback:
spaceplatform-block/prototypes/technology.lua:266: in main chunk
    [C]: in function 'require'
spaceplatform-block/data.lua:18: in main chunk
   1.790 Loading mod core 0.0.0 (data.lua)
   1.886 Checksum for core: 1334491919
   1.912 Error ModManager.cpp:1741: Error in assignID: procession with name 'default-b' does not exist.
Source: default (utility-constants).
   1.916 Info PlayerData.cpp:66: Local player-data.json available, timestamp 1733944269
   1.916 Info PlayerData.cpp:73: Cloud player-data.json unavailable
   1.917 Post-data load graphics options: [Light occlusion: YES]
   2.003 Initial atlas bitmap size is 16384
   2.003 Created an atlas bitmap (size 2048x864) [icon, not-compressed, mipmap, linear-minification, linear-magnification, linear-mip-level]
   2.003 Loading 3D bitmaps.
   2.011 Texture processor created (2048). GPU accelerated compression Supported: yes, Enabled: yes/yes. Test passed. YCoCgDXT PSNR: 35.83, BC3 PSNR: 33.82
   2.011 Parallel sprite loader initialized (threads: 7, bitmaps: 144)
   2.045 Sprites loaded
   2.052 Generated mipmaps (5) for atlas [0] of size 2048x864 
   2.054 Custom mipmaps uploaded (116)
   2.072 Video memory usage: 8.99 MB (Atlases: 8.99 MB, Textures: 0.00 MB)
   2.082 Factorio initialised
   2.086 Failed to load mods: spaceplatform-block/prototypes/technology.lua:266: attempt to index field '?' (a nil value)
stack traceback:
spaceplatform-block/prototypes/technology.lua:266: in main chunk
    [C]: in function 'require'
spaceplatform-block/data.lua:18: in main chunk
Mods to be disabled:
• spaceplatform-block (0.2.1)
  19.074 Quitting: user-quit.
  19.232 Goodbye