Process completed with exit code 1.

Process completed with exit code 1.

Property 'group' is missing in type '{ startTime: string; endTime: string; groupId: string; groupNumber: string; courseId: string; courseName: string; lecturer: string; day: Day; week: "" | "TN" | "TP"; courseType: "C" | "L" | "P" | "S" | "W"; registrationId: string; key: number; }' but required in type '{ startTime: string; endTime: string; group: string; courseName: string; lecturer: string; week: "" | "TN" | "TP"; courseType: "C" | "L" | "P" | "S" | "W"; }'.

Property 'groups' does not exist on type '{ id: number; name: string; courses: ExtendedCourse[]; registrations: Registration[]; }'.

Parameter 'group' implicitly has an 'any' type.

Property 'groups' does not exist on type '{ id: number; name: string; courses: ExtendedCourse[]; registrations: Registration[]; }'.

Object literal may only specify known properties, and 'groups' does not exist in type '{ id: number; name: string; courses: ExtendedCourse[]; registrations: Registration[]; } | ((prev: { id: number; name: string; courses: ExtendedCourse[]; registrations: Registration[]; }) => unique symbol | { ...; })'.

Property 'groups' does not exist on type '{ id: number; name: string; courses: ExtendedCourse[]; registrations: Registration[]; }'.

Process completed with exit code 2.

Process completed with exit code 1.