Luis_ST

Did you mean Singleplayer with "client"? Could you please explain that in more detail?

WorldEdit needs to update to the recent breaking changes of Forge. Check if there are updated versions.

yes, does it not work? why did you still use this, you can pass the value (500) directly into Player#pick

the first one is the y rotation of the player head and the second one is the x rotation of the player head, you can use 0 if you don't want a specific head look direction

The client use automatically the required java version. Please post debug.log from the logs folder.

You an use the full path of the java 17 executable (java.exe) to make sure you use the correct version of java. Note you need to put the path into quotes Edit: to fast😅

You can try to run Jarfix, after running it redownload the Mods.

Iron Furnaces, Framed Compacting Drawers, Builders Crafts & Addition and EnderStorage needs to update to the recent breaking changes of Forge. Check if there are updated versions.

Please post a screenshot of the Mods folder where we can see the full path

i guess your variable "player" is a Player, then you need an instance of check if the Player is an ServerPlayer. Then you can cast your Player to a ServerPlayer. Btw this is basic java.

Where did you download the Mods? Please post link There is no compatible OptiFine version for Forge 41.0.111 yet.

The teleport command used ServerPlayer#connection and ServerGamePacketListenerImpl#teleport, but i also remember that Player#teleportToWithTicket should work

Please do not upload your Mod as a .zip file. It's highly recommended to use a git repo with a git client. Please post the debug.log.

Basically you need to create there a new Entity via EntityType#create, then you can modify the Entity in the way you want, the slime is copying all data from the parent entity to the children (reduce the size, copy custom display name, etc.). A thing you also want to do is the move the new Entity to the position of the old Entity. Last but not least you add the Entity to the world via Level#addFreshEntity Note this is a server side operation

it's Forge but for 1.16.5 Please post full log.

Please post debug.log from the logs folder.

Please post debug.log from the logs folder. On CurseForge you need to enable the debug.lo in the settings.

Forge 1.19 has breaking changes recently, mods need to update for them. Check if there are updated versions of your mods or downgrade Forge.

Minecraft 1.18 requires java 17

Upload the log file on a past side (i already liked the recommended past side above), then post the link to it here.

Please post debug.log from the logs folder and a screenshot of your Mods folder.

This error is often indicative of an outdated Java version. Please ensure your Java version is up to date. You can download OpenJDK from the Adoptium project. If the error persists after updating your Java version, please post the updated installer log as well as the contents of %windir%\system32\drivers\etc\hosts (Windows) or /etc/hosts (Mac, Linux).

Remove OptiFine, since there is no compatible version for Forge 41.0.111 yet. If the error remains please post debug.log from the logs folder.

Remove OptiFine, since there is no compatible version for Forge 41.0.110 yet.

There is no error, please installer log.