Redwood trees not spawning

[gobies21]

Redwood trees are not spawning at all with this mod installed, leaving an empty redwood forest biome. but when this mod is removed they spawn fine

[Redls07]

I suppose these errors from the logs are related

[Render thread/ERROR] [com.ferreusveritas.dynamictrees.api.resource.loading.preparation.JsonRegistryResourceLoader/]: Error whilst loading type "Species" with name "dtnatures_spirit:redwood": [growth_logic_kit] Growth Logic Kit couldn't be found from input "{"name":"dtnatures_spirit:redwood","properties":{}}".
[Render thread/ERROR] [com.ferreusveritas.dynamictrees.api.resource.loading.preparation.JsonRegistryResourceLoader/]: Error whilst loading type "Species" with name "dtnatures_spirit:frosty_redwood": [growth_logic_kit] Growth Logic Kit couldn't be found from input "{"name":"dtnatures_spirit:redwood","properties":{}}".