tryna solve the error

backend/.env

backend/Dockerfile

backend/controllers/authController.js

backend/controllers/courseController.js

backend/routes/courseRoutes.js

data/WiredTiger.turtle

data/WiredTiger.wt

data/_mdb_catalog.wt

data/collection-0--6738955868675507139.wt

data/collection-0--8793770123329554417.wt

data/collection-1--6738955868675507139.wt

data/collection-2--1015871184672815692.wt

data/collection-2--6738955868675507139.wt

data/collection-3--8793770123329554417.wt

data/collection-4--1015871184672815692.wt

data/diagnostic.data/metrics.2024-06-17T17-26-34Z-00000

data/diagnostic.data/metrics.2024-07-19T04-27-30Z-00000

data/diagnostic.data/metrics.2024-07-20T19-11-48Z-00000

data/diagnostic.data/metrics.2024-07-22T10-46-48Z-00000

data/diagnostic.data/metrics.2024-07-22T21-03-54Z-00000