Warning: require_once(/workspace/portfolio/../core/functions.php): Failed to open stream: No such file or directory in /workspace/portfolio/timeline_generator.php on line 10

Fatal error: Uncaught Error: Failed opening required '/workspace/portfolio/../core/functions.php' (include_path='.:') in /workspace/portfolio/timeline_generator.php:10
Stack trace:
#0 /workspace/index.php(30): include()
#1 {main}
  thrown in /workspace/portfolio/timeline_generator.php on line 10