EasyPickins

Try extracting these files into your projectzomboid directory, replacing the original files.
A couple of libraries were built using a too-new version of glibc.
natives.zip

Try extracting these files into your projectzomboid directory, replacing the original files.
A couple of libraries were built using a too-new version of glibc.
natives.zip

Try extracting these files into your projectzomboid directory, replacing the original files.
A couple of libraries were built using a too-new version of glibc.
natives.zip

IWBUMS 34.18
 
The "Easy Co-op Test" is now on the IWBUMS branch, with these changes.
 
Added an editor for spawnpoints.lua files to the server-settings editor. Fixed adding sheetropes not consuming items in multiplayer. When an installed Workshop item is added in the server-settings editor, all mods in that Workshop item are added to the Mods list.  When a mod is added, any maps in that mod are added to the Maps list.  So adding a Workshop item adds it's mods which adds those mod's maps automatically. An error is displayed if a client attempts to accept an invite while in-game or when not at the main menu screen.  Previously, the invite was ignored in these situations. All friends are displayed in the Invite Friends screen along with their online/offline/etc state. Instead of drawing individual drops, rain textures are drawn across the whole scene.  The textures are chosen based on the intensity of the rain.  Rain splashes may appear on every level (such as flat roofs), not just ground level.  The textures aren't final.  
To access IWBUMs, check the following link: 

Easy Co-Op FAQ

Custom .pack files
 
If you have custom map tiles, you will need to create a .pack file containing those tiles for the game to load.  This can be done using the "Create .pack file..." command, found in the Tools menu in TileZed.
 

 
Place your tilesets into a directory, then click the + button to add that directory to the list.
 
The .pack file should be saved to your mod's media/texurepacks directory:
Zomboid/mods/MyMod/media/texturepacks/NAME.packAdd a line to your mod's mod.info file:
pack=NAMEYou can add one pack= line for each .pack file.
 
Custom .tiles files
 
Some tiles require special properties to be set, to handle rendering or collision for example.  This can be done using the "Tile Properties (.tiles)" command in the Tools menu in TileZed.
 
Place your custom .tiles files in your mod's media/ directory:
Zomboid/mods/MyMod/media/NAME.tilesAdd a line to your mod's mod.info file:
tiledef=NAME NUMBERThe NUMBER is important, it controls the unique ID numbers assigned to every sprite.
NUMBER can be from 100 up to about 8000.  The game reserves all numbers under 100 for itself. All .tiles files loaded by the game and every active mod must have a unique NUMBER.  Don't use the same NUMBER as another mod, if that mod might be active at the same time as yours. Once you choose a number for your .tiles file, do not change it, otherwise it will break savefiles using your custom sprites.  This is because the savefile records the ID number for each sprite. Don't remove a tileset from your .tiles file and then add it again.  Doing so will change the sprite IDs assigned to tiles in that tileset.  If you look at the game's newtiledefinitions.tiles file in the editor, you will see that there is a number next to each tileset name, and a unique "gid" in the tooltip for each tile.  Those numbers must remain the same if you edit the .tiles file.  

Custom .pack files
 
If you have custom map tiles, you will need to create a .pack file containing those tiles for the game to load.  This can be done using the "Create .pack file..." command, found in the Tools menu in TileZed.
 

 
Place your tilesets into a directory, then click the + button to add that directory to the list.
 
The .pack file should be saved to your mod's media/texurepacks directory:
Zomboid/mods/MyMod/media/texturepacks/NAME.packAdd a line to your mod's mod.info file:
pack=NAMEYou can add one pack= line for each .pack file.
 
Custom .tiles files
 
Some tiles require special properties to be set, to handle rendering or collision for example.  This can be done using the "Tile Properties (.tiles)" command in the Tools menu in TileZed.
 
Place your custom .tiles files in your mod's media/ directory:
Zomboid/mods/MyMod/media/NAME.tilesAdd a line to your mod's mod.info file:
tiledef=NAME NUMBERThe NUMBER is important, it controls the unique ID numbers assigned to every sprite.
NUMBER can be from 100 up to about 8000.  The game reserves all numbers under 100 for itself. All .tiles files loaded by the game and every active mod must have a unique NUMBER.  Don't use the same NUMBER as another mod, if that mod might be active at the same time as yours. Once you choose a number for your .tiles file, do not change it, otherwise it will break savefiles using your custom sprites.  This is because the savefile records the ID number for each sprite. Don't remove a tileset from your .tiles file and then add it again.  Doing so will change the sprite IDs assigned to tiles in that tileset.  If you look at the game's newtiledefinitions.tiles file in the editor, you will see that there is a number next to each tileset name, and a unique "gid" in the tooltip for each tile.  Those numbers must remain the same if you edit the .tiles file.  

Setting distanceMax=0 forces the sound to be 2D.
sound TEST { category = Player, clip { file = media/sound/ambientOutsideRainWindThunder.ogg, distanceMax = 0, } }  

Try using a mono sound instead of stereo sound.
You could also add "is3D = false," to the sound definition in sounds.txt.

I updated Project Zomboid Modding Tools on Steam (Windows only), in case anyone wants to install them from there.

It's Shift+MouseWheel now by default, but you can change it in the Accessibility options.  It was changed after someone had a problem with it being Ctrl+MouseWheel.

Looks like this will happen anywhere there is a ZombiesType zone named "McCoys" or "Prison".
In those places, zombies are mostly forced to be male instead of female.
But there's a bug when the zombie's model is already set to female and the zombie becomes male.  The old female model is being used and doesn't animate.

We added a new file called Zomboid/Logs/date_time_ZombieSpawn.txt to record zombie spawns.
If you see this happen again, pause the game and look in that file, it should record the reason zombies spawned there.

We added a new file called Zomboid/Logs/date_time_ZombieSpawn.txt to record zombie spawns.
If you see this happen again, pause the game and look in that file, it should record the reason zombies spawned there.

We added a new file called Zomboid/Logs/date_time_ZombieSpawn.txt to record zombie spawns.
If you see this happen again, pause the game and look in that file, it should record the reason zombies spawned there.

Based on the line numbers it looks like you may have an old sqlite.jar file.
Can you see if there is a file called sqlite-jdbc-3.27.2.1.jar in the Project Zomboid folder?

IWBUMS 34.18
 
The "Easy Co-op Test" is now on the IWBUMS branch, with these changes.
 
Added an editor for spawnpoints.lua files to the server-settings editor. Fixed adding sheetropes not consuming items in multiplayer. When an installed Workshop item is added in the server-settings editor, all mods in that Workshop item are added to the Mods list.  When a mod is added, any maps in that mod are added to the Maps list.  So adding a Workshop item adds it's mods which adds those mod's maps automatically. An error is displayed if a client attempts to accept an invite while in-game or when not at the main menu screen.  Previously, the invite was ignored in these situations. All friends are displayed in the Invite Friends screen along with their online/offline/etc state. Instead of drawing individual drops, rain textures are drawn across the whole scene.  The textures are chosen based on the intensity of the rain.  Rain splashes may appear on every level (such as flat roofs), not just ground level.  The textures aren't final.  
To access IWBUMs, check the following link: 

Easy Co-Op FAQ

I fixed these, thanks.

Metal crates will be moveable/stackable in the next update.
Using 'R' to choose the height of wooden crates is a bug; that's how it used to be done before the furniture-moving system was added.

IWBUMS 34.18
 
The "Easy Co-op Test" is now on the IWBUMS branch, with these changes.
 
Added an editor for spawnpoints.lua files to the server-settings editor. Fixed adding sheetropes not consuming items in multiplayer. When an installed Workshop item is added in the server-settings editor, all mods in that Workshop item are added to the Mods list.  When a mod is added, any maps in that mod are added to the Maps list.  So adding a Workshop item adds it's mods which adds those mod's maps automatically. An error is displayed if a client attempts to accept an invite while in-game or when not at the main menu screen.  Previously, the invite was ignored in these situations. All friends are displayed in the Invite Friends screen along with their online/offline/etc state. Instead of drawing individual drops, rain textures are drawn across the whole scene.  The textures are chosen based on the intensity of the rain.  Rain splashes may appear on every level (such as flat roofs), not just ground level.  The textures aren't final.  
To access IWBUMs, check the following link: 

Easy Co-Op FAQ

Can you try this file and see if you get any messages like "mapXY.get() is null" in the console?
VehicleCache.class

Could you put the attached file into the ProjectZomboid/zombie/vehicles/ directory and drive around until you see a bunch of messages like this appearing in the console, then post the console.txt file here?
1536603771657 ERROR: VehicleCache.vehicleUpdate() mapXY.get()=null for: id=255 ax,ay,az=361.2866,399.68823,0.18985684 wx,wy=36,39 v.x,v.y=361.35736,400.22427 vehicle_wx,vehicle_wy=36,40 1536603772258 ERROR: VehicleCache.vehicleUpdate() mapXY.get()=null for: id=255 ax,ay,az=359.97345,396.25452,0.1946713 wx,wy=35,39 v.x,v.y=360.21112,396.90894 vehicle_wx,vehicle_wy=36,39  
VehicleCache.class

You're right, it wasn't working.

I found the problem, thanks.

Can you put these into the zombie/core/raknet directory and see if it fixes it?
UdpEngine$1.class
UdpEngine.class

Can you put these into the zombie/core/raknet directory and see if it fixes it?
UdpEngine$1.class
UdpEngine.class