Cast to ObjectId failed for value "lecturer.html" (type string) at path "_id" for model "Product"

        CastError: Cast to ObjectId failed for value "lecturer.html" (type string) at path "_id" for model "Product"
    at ObjectId.cast (/root/aknoonAcademy/node_modules/mongoose/lib/schema/objectid.js:250:11)
    at SchemaType.applySetters (/root/aknoonAcademy/node_modules/mongoose/lib/schematype.js:1219:12)
    at SchemaType.castForQuery (/root/aknoonAcademy/node_modules/mongoose/lib/schematype.js:1633:15)
    at cast (/root/aknoonAcademy/node_modules/mongoose/lib/cast.js:389:32)
    at Query.cast (/root/aknoonAcademy/node_modules/mongoose/lib/query.js:4927:12)
    at Query._castConditions (/root/aknoonAcademy/node_modules/mongoose/lib/query.js:2237:10)
    at model.Query._findOne (/root/aknoonAcademy/node_modules/mongoose/lib/query.js:2533:8)
    at model.Query.exec (/root/aknoonAcademy/node_modules/mongoose/lib/query.js:4447:28)
    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)
    at async homeController.product (/root/aknoonAcademy/app/controllers/web/website/productController.js:62:27)