ERROR: Execution Failed with traceback saved in /Users/ahughes/git/rds-course/coursebook/_build/html/reports/hands-on.log
ERROR: Execution Failed with traceback saved in /Users/ahughes/git/rds-course/coursebook/_build/html/reports/hands-on-complete.log
ERROR: Execution Failed with traceback saved in /Users/ahughes/git/rds-course/coursebook/_build/html/reports/4.3-ModelBuilding.log
ERROR: Execution Failed with traceback saved in /Users/ahughes/git/rds-course/coursebook/_build/html/reports/4.4-ModelEvaluation.log
Need to verify what is causing this! Urgently!