Error loading LTN with APM

[szentigrad3]

Error message or bug description https://i.imgur.com/RYk1rMH.png

[0ptera]

What mod is apm_electric_locomotive from?

[szentigrad3]

Amator Phasma's Mods (forked)

[0ptera]

Icons for virtual signals are generated without errors with just apm and ltn:

0.416 Loading mod settings CreativeItems 1.6.0 (settings.lua)
0.417 Loading mod settings apm_lib_ldinc 0.23.2 (settings.lua)
0.417 Script @__apm_lib_ldinc__/settings.lua:26: Info: settings.lua: apm_lib_inserter_functions.default_value is: false
0.418 Loading mod settings LogisticTrainNetwork 1.16.10 (settings.lua)
0.419 Loading mod settings apm_power_ldinc 0.23.6 (settings.lua)
0.420 Loading mod settings LTN_Content_Reader 1.0.2 (settings.lua)
0.420 Loading mod settings apm_energy_addon_ldinc 0.23.2 (settings.lua)
0.423 Loading mod core 0.0.0 (data.lua)
0.465 Loading mod base 1.1.68 (data.lua)
0.636 Loading mod apm_resource_pack_ldinc 0.23.4 (data.lua)
0.646 Loading mod CreativeItems 1.6.0 (data.lua)
0.663 Loading mod flib 0.11.0 (data.lua)
0.680 Loading mod apm_lib_ldinc 0.23.2 (data.lua)
0.709 Loading mod LogisticTrainNetwork 1.16.10 (data.lua)
0.723 Loading mod apm_power_ldinc 0.23.6 (data.lua)
0.772 Loading mod LTN_Content_Reader 1.0.2 (data.lua)
0.784 Loading mod apm_energy_addon_ldinc 0.23.2 (data.lua)
0.806 Loading mod base 1.1.68 (data-updates.lua)
0.834 Loading mod apm_lib_ldinc 0.23.2 (data-updates.lua)
0.851 Loading mod apm_power_ldinc 0.23.6 (data-updates.lua)
0.873 Loading mod apm_energy_addon_ldinc 0.23.2 (data-updates.lua)
0.891 Loading mod apm_lib_ldinc 0.23.2 (data-final-fixes.lua)
0.919 Loading mod LogisticTrainNetwork 1.16.10 (data-final-fixes.lua)
0.926 Script @__LogisticTrainNetwork__/data-final-fixes.lua:88: [LTN] found 364 items, 18 fluids, 2 locomotives, 3 wagons
0.937 Loading mod apm_power_ldinc 0.23.6 (data-final-fixes.lua)
0.947 Script @__apm_power_ldinc__/prototypes/integrations/recipes.lua:54: DBG::: vanilaFinalUpdatesRecipe
0.963 Loading mod LTN_Content_Reader 1.0.2 (data-final-fixes.lua)
0.964 Script @__LTN_Content_Reader__/data-final-fixes.lua:22: [LTN Content Reader] setting combinator slots to 383
0.974 Loading mod apm_energy_addon_ldinc 0.23.2 (data-final-fixes.lua)

There's only a slight graphical issue with apm_energy_addon_ldinc using a 128x128 layer while LTN uses 64x64. But I'm not going down the rabbit whole of re-scaling icon layers again.