Not sure if it was solely due to the mod, but I couldn't load my save anymore after establishing a colony and recruiting Nonona. I made both her skills Elite before taking a break from the game, then later tried loading the file and this comes up.
Spoiler
---- Debugging information ----
message : Failed calling method
cause-exception : java.lang.NullPointerException
cause-message : null
method : com.fs.starfarer.campaign.fleet.FleetMember.readResolve()
class : com.fs.starfarer.campaign.fleet.FleetMember
required-type : com.fs.starfarer.campaign.fleet.FleetMember
converter-type : com.thoughtworks.xstream.converters.reflection.ReflectionConverter
line number : 824480
class[1] : java.util.HashSet
converter-type[1] : com.thoughtworks.xstream.converters.collections.CollectionConverter
class[2] : java.util.HashMap
converter-type[2] : com.thoughtworks.xstream.converters.collections.MapConverter
class[3] : com.fs.starfarer.campaign.ModAndPluginData
class[4] : com.fs.starfarer.campaign.CampaignEngine
converter-type[3] : com.fs.starfarer.campaign.save.I
version : not available
-------------------------------
com.thoughtworks.xstream.converters.ConversionException: Failed calling method
---- Debugging information ----
message : Failed calling method
cause-exception : java.lang.NullPointerException
cause-message : null
method : com.fs.starfarer.campaign.fleet.FleetMember.readResolve()
class : com.fs.starfarer.campaign.fleet.FleetMember
required-type : com.fs.starfarer.campaign.fleet.FleetMember
converter-type : com.thoughtworks.xstream.converters.reflection.ReflectionConverter
line number : 824480
class[1] : java.util.HashSet
converter-type[1] : com.thoughtworks.xstream.converters.collections.CollectionConverter
class[2] : java.util.HashMap
converter-type[2] : com.thoughtworks.xstream.converters.collections.MapConverter
class[3] : com.fs.starfarer.campaign.ModAndPluginData
class[4] : com.fs.starfarer.campaign.CampaignEngine
converter-type[3] : com.fs.starfarer.campaign.save.I
version : not available
-------------------------------
at com.thoughtworks.xstream.core.util.SerializationMembers.callReadResolve(SerializationMembers.java:82)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unma rshal(AbstractReflectionConverter.java:282)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:70)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.rea dItem(AbstractCollectionConverter.java:73)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.addCurrentE lementToCollection(CollectionConverter.java:98)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.populateCol lection(CollectionConverter.java:91)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.populateCol lection(CollectionConverter.java:85)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(CollectionConverter.java:80)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:70)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.rea dItem(AbstractCollectionConverter.java:73)
at com.thoughtworks.xstream.converters.collections.MapConverter.putCurrentEntryInt oMap(MapConverter.java:110)
at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap(MapConverter.java:98)
at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap(MapConverter.java:92)
at com.thoughtworks.xstream.converters.collections.MapConverter.unmarshal(MapConverter.java:87)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:70)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unma rshallField(AbstractReflectionConverter.java:503)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUn marshal(AbstractReflectionConverter.java:429)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unma rshal(AbstractReflectionConverter.java:281)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:70)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unma rshallField(AbstractReflectionConverter.java:503)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUn marshal(AbstractReflectionConverter.java:429)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unma rshal(AbstractReflectionConverter.java:281)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:70)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1486)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1466)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1346)
at com.fs.starfarer.campaign.save.CampaignGameManager.o00000(Unknown Source)
at com.fs.starfarer.title.TitleScreenState.dialogDismissed(Unknown Source)
at com.fs.starfarer.ui.O.dismiss(Unknown Source)
at com.fs.starfarer.ui.impl.for.dismiss(Unknown Source)
at com.fs.starfarer.campaign.save.LoadGameDialog.actionPerformed(Unknown Source)
at com.fs.starfarer.ui.o0O0.buttonPressed(Unknown Source)
at com.fs.starfarer.ui.int.Ò00000(Unknown Source)
at com.fs.starfarer.ui.int.processInput(Unknown Source)
at com.fs.starfarer.ui.W.o00000(Unknown Source)
at com.fs.starfarer.BaseGameState.traverse(Unknown Source)
at com.fs.state.AppDriver.begin(Unknown Source)
at com.fs.starfarer.combat.CombatMain.main(Unknown Source)
at com.fs.starfarer.StarfarerLauncher.super(Unknown Source)
at com.fs.starfarer.StarfarerLauncher$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at com.fs.starfarer.api.impl.campaign.econ.impl.BaseIndustry.getSupply(BaseIndustry.java:740)
at com.fs.starfarer.api.impl.campaign.econ.impl.BaseIndustry.supply(BaseIndustry.java:320)
at com.fs.starfarer.api.impl.campaign.econ.impl.BaseIndustry.supply(BaseIndustry.java:309)
at com.fs.starfarer.api.impl.campaign.econ.impl.BaseIndustry.supply(BaseIndustry.java:305)
at data.kaysaar.aotd.vok.campaign.econ.conditions.WaterMinningCond.unapplyElectron icsDemand(WaterMinningCond.java:51)
at data.kaysaar.aotd.vok.campaign.econ.conditions.WaterMinningCond.unapply(WaterMinningCond.java:22)
at com.fs.starfarer.campaign.econ.Market.reapplyConditions(Unknown Source)
at com.fs.starfarer.campaign.CharacterStats.refreshAllOutpostsEffectsForPlayerOutp osts(Unknown Source)
at com.fs.starfarer.campaign.CharacterStats.refreshCharacterStatsEffects(Unknown Source)
at com.fs.starfarer.campaign.CharacterStats.refreshCharacterStatsEffects(Unknown Source)
at com.fs.starfarer.campaign.CharacterStats.setSkillLevel(Unknown Source)
at data.scripts.skill.Mimikko_nonona_2$Level4.apply(Mimikko_nonona_2.java:173)
at com.fs.starfarer.campaign.CharacterStats.applyPersonalToStats(Unknown Source)
at com.fs.starfarer.campaign.fleet.FleetMember.updateStats(Unknown Source)
at com.fs.starfarer.campaign.fleet.FleetData.syncIfNeeded(Unknown Source)
at com.fs.starfarer.campaign.fleet.FleetData.getNumMembers(Unknown Source)
at data.scripts.hullmods.acs_drifterlogistic.applyEffectsBeforeShipCreation(acs_drifterlogistic.java:29)
at com.fs.starfarer.campaign.fleet.FleetMember.updateStats(Unknown Source)
at com.fs.starfarer.campaign.fleet.FleetMember.readResolve(Unknown Source)
at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.thoughtworks.xstream.core.util.SerializationMembers.callReadResolve(SerializationMembers.java:78)
... 55 more
As noted in the original post, at this point I would avoid making any of Nonona's skill Elite, it seems to be what is causing this crash. I talked to the author and unfortunately we couldn't figure out the cause, and he is working on an overhaul of this mod at the moment (but a stable release+Translation is a while away).
For now if you can revert to an earlier save, try to avoid making either of her skill elite. I will update original post to highlight this issue.