yo #theia/plugin gives error TS1005 ',' expected and others - plugins

Question

I was looking for developing my own theia plugin. First, I want to try the simple "Hello World" plugin with the command yo #theia/plugin.
Yeoman command to generate Theia plugin
I develop with Ubuntu 20.04. I get many TypeScript errors as we can see in the following image.
Errors with yeoman commands
I tried to figure out by myself. I installed many tsc versions, but nothing worked. I've readed the Prerequisites first and installed every dependencies.
I understand that the TypeScript version may not be the good one, but not sure which one and why.
Here are some versions I use:
yarn: 1.22.19
node: v16.14.2
tsc: 3.1.3
Here is the tsconfig file that was autogenetared with yo command:
{
"compilerOptions": {
"strict": true,
"experimentalDecorators": true,
"noUnusedLocals": true,
"emitDecoratorMetadata": true,
"downlevelIteration": true,
"module": "commonjs",
"moduleResolution": "node",
"target": "es6",
"lib": [
"es6",
"webworker"
],
"sourceMap": true,
"rootDir": "src",
"outDir": "lib",
"skipLibCheck": true
},
"include": [
"src"
]
}
Here is the package.json:
{
"name": "hello",
"publisher": "theia",
"keywords": [
"theia-plugin"
],
"version": "0.0.1",
"license": "none",
"files": [
"src"
],
"activationEvents": [
"*"
],
"devDependencies": {
"#theia/plugin": "next",
"#theia/plugin-packager": "latest",
"rimraf": "2.6.2",
"typescript-formatter": "7.2.2",
"typescript": "3.5.3"
},
"scripts": {
"prepare": "yarn run clean && yarn run build",
"clean": "rimraf lib",
"format-code": "tsfmt -r",
"watch": "tsc -watch",
"compile": "tsc",
"build": "yarn run format-code && yarn run compile && theia-plugin pack"
},
"engines": {
"theiaPlugin": "next"
},
"theiaPlugin": {
"backend": "lib/hello-backend.js"
}
}
I changed nothing from the yo command
I am a little lost as why it happens. Can everyone help me out?
I was expecting the yo and yarn commands to be successful.