Error: Child compilation failed:
  Module not found: Error: Can't resolve '/var/www/src/pug/page-cases.pug' in '/  var/www/src'
  ModuleNotFoundError: Module not found: Error: Can't resolve '/var/www/src/pug/  page-cases.pug' in '/var/www/src'
      at /var/www/src/node_modules/webpack/lib/Compilation.js:2230:28
      at /var/www/src/node_modules/webpack/lib/NormalModuleFactory.js:933:13
      at eval (eval at create (/var/www/src/node_modules/tapable/lib/HookCodeFac  tory.js:33:10), :10:1)
      at /var/www/src/node_modules/webpack/lib/NormalModuleFactory.js:347:22
      at eval (eval at create (/var/www/src/node_modules/tapable/lib/HookCodeFac  tory.js:33:10), :9:1)
      at /var/www/src/node_modules/webpack/lib/NormalModuleFactory.js:530:22
      at /var/www/src/node_modules/webpack/lib/NormalModuleFactory.js:163:10
      at /var/www/src/node_modules/webpack/lib/NormalModuleFactory.js:794:25
      at /var/www/src/node_modules/webpack/lib/NormalModuleFactory.js:1018:8
      at /var/www/src/node_modules/webpack/lib/NormalModuleFactory.js:1147:5
  
  - Compilation.js:2230 
    [src]/[webpack]/lib/Compilation.js:2230:28
  
  - NormalModuleFactory.js:933 
    [src]/[webpack]/lib/NormalModuleFactory.js:933:13
  
  
  - NormalModuleFactory.js:347 
    [src]/[webpack]/lib/NormalModuleFactory.js:347:22
  
  
  - NormalModuleFactory.js:530 
    [src]/[webpack]/lib/NormalModuleFactory.js:530:22
  
  - NormalModuleFactory.js:163 
    [src]/[webpack]/lib/NormalModuleFactory.js:163:10
  
  - NormalModuleFactory.js:794 
    [src]/[webpack]/lib/NormalModuleFactory.js:794:25
  
  - NormalModuleFactory.js:1018 
    [src]/[webpack]/lib/NormalModuleFactory.js:1018:8
  
  - NormalModuleFactory.js:1147 
    [src]/[webpack]/lib/NormalModuleFactory.js:1147:5
  
  - child-compiler.js:211 
    [src]/[html-webpack-plugin]/lib/child-compiler.js:211:18
  
  - Compiler.js:625 finalCallback
    [src]/[webpack]/lib/Compiler.js:625:5
  
  - Compiler.js:661 
    [src]/[webpack]/lib/Compiler.js:661:11
  
  - Compiler.js:1347 
    [src]/[webpack]/lib/Compiler.js:1347:17
  
  
  - Hook.js:20 Hook.CALL_ASYNC_DELEGATE [as _callAsync]
    [src]/[tapable]/lib/Hook.js:20:14
  
  - Compiler.js:1343 
    [src]/[webpack]/lib/Compiler.js:1343:33
  
  - Compilation.js:3061 finalCallback
    [src]/[webpack]/lib/Compilation.js:3061:11
  
  - Compilation.js:3404 
    [src]/[webpack]/lib/Compilation.js:3404:11