[Seld\JsonLint\ParsingException] "./composer.json" does not contain valid JSON Parse error on line 23: ...acle": "~9.0", }, "require-dev" --------------------^ Expected: 'STRING' - It appears you have an extra trailing comma code example

Example: [Seld\JsonLint\ParsingException] "./composer.json" does not contain valid JSON Parse error on line 13: ...er": "^2.5" "infyomlabs/laravel-... ---------------------^ Expected one of: 'EOF', '}', ':', ',', ']'

[Seld\JsonLint\ParsingException]
  "./composer.json" does not contain valid JSON
  Parse error on line 13:
  ...er": "^2.5"        "infyomlabs/laravel-...
  ---------------------^
  Expected one of: 'EOF', '}', ':', ',', ']'