Error: Child compilation failed:
  Module not found: Error: Can't resolve '/app/node_modules/react-scripts/node_m  odules/html-webpack-plugin/lib/loader.js' in '/app'
  ModuleNotFoundError: Module not found: Error: Can't resolve '/app/node_modules  /react-scripts/node_modules/html-webpack-plugin/lib/loader.js' in '/app'
      at /app/node_modules/react-scripts/node_modules/webpack/lib/Compilation.js  :2014:28
      at /app/node_modules/react-scripts/node_modules/webpack/lib/NormalModuleFa  ctory.js:791:13
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  33:10), :10:1)
      at /app/node_modules/react-scripts/node_modules/webpack/lib/NormalModuleFa  ctory.js:265:22
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  33:10), :9:1)
      at /app/node_modules/react-scripts/node_modules/webpack/lib/NormalModuleFa  ctory.js:427:22
      at /app/node_modules/react-scripts/node_modules/webpack/lib/NormalModuleFa  ctory.js:111:11
      at /app/node_modules/react-scripts/node_modules/webpack/lib/NormalModuleFa  ctory.js:628:23
      at /app/node_modules/neo-async/async.js:2830:7
      at done (/app/node_modules/neo-async/async.js:2925:13)
  
  - Compilation.js:2014 
    [app]/[react-scripts]/[webpack]/lib/Compilation.js:2014:28
  
  - NormalModuleFactory.js:791 
    [app]/[react-scripts]/[webpack]/lib/NormalModuleFactory.js:791:13
  
  
  - NormalModuleFactory.js:265 
    [app]/[react-scripts]/[webpack]/lib/NormalModuleFactory.js:265:22
  
  
  - NormalModuleFactory.js:427 
    [app]/[react-scripts]/[webpack]/lib/NormalModuleFactory.js:427:22
  
  - NormalModuleFactory.js:111 
    [app]/[react-scripts]/[webpack]/lib/NormalModuleFactory.js:111:11
  
  - NormalModuleFactory.js:628 
    [app]/[react-scripts]/[webpack]/lib/NormalModuleFactory.js:628:23
  
  - async.js:2830 
    [app]/[neo-async]/async.js:2830:7
  
  - async.js:2925 done
    [app]/[neo-async]/async.js:2925:13
  
  - child-compiler.js:169 
    [app]/[react-scripts]/[html-webpack-plugin]/lib/child-compiler.js:169:18
  
  - Compiler.js:564 
    [app]/[react-scripts]/[webpack]/lib/Compiler.js:564:11
  
  - Compiler.js:1183 
    [app]/[react-scripts]/[webpack]/lib/Compiler.js:1183:17
  
  
  - Hook.js:18 Hook.CALL_ASYNC_DELEGATE [as _callAsync]
    [app]/[tapable]/lib/Hook.js:18:14
  
  - Compiler.js:1179 
    [app]/[react-scripts]/[webpack]/lib/Compiler.js:1179:33
  
  - Compilation.js:2785 finalCallback
    [app]/[react-scripts]/[webpack]/lib/Compilation.js:2785:11
  
  - Compilation.js:3090 
    [app]/[react-scripts]/[webpack]/lib/Compilation.js:3090:11
  
  
  - Hook.js:18 Hook.CALL_ASYNC_DELEGATE [as _callAsync]
    [app]/[tapable]/lib/Hook.js:18:14