diff --git a/src/models/actions/create/CreateTrackScan.ts b/src/models/actions/create/CreateTrackScan.ts
index 0ad4d73..62eca4c 100644
--- a/src/models/actions/create/CreateTrackScan.ts
+++ b/src/models/actions/create/CreateTrackScan.ts
@@ -49,6 +49,10 @@ export class CreateTrackScan {
         return newScan;
     }
 
+    /**
+     * Get's a runnerCard entity via the provided id.
+     * @returns The runnerCard whom's id you provided.
+     */
     public async getCard(): Promise<RunnerCard> {
         const track = await getConnection().getRepository(RunnerCard).findOne({ id: this.card }, { relations: ["runner"] });
         if (!track) {
@@ -57,7 +61,14 @@ export class CreateTrackScan {
         return track;
     }
 
+    /**
+     * Get's a scanstation entity via the provided id.
+     * @returns The scanstation whom's id you provided.
+     */
     public async getStation(): Promise<ScanStation> {
+        if (!this.station) {
+            throw new NotAcceptableError("You are missing the station's id!")
+        }
         const station = await getConnection().getRepository(ScanStation).findOne({ id: this.station }, { relations: ["track"] });
         if (!station) {
             throw new ScanStationNotFoundError();
@@ -65,6 +76,11 @@ export class CreateTrackScan {
         return station;
     }
 
+    /**
+     * Validates the scan and sets it's lap time;
+     * @param scan The scan you want to validate
+     * @returns The validated scan with it's laptime set.
+     */
     public async validateScan(scan: TrackScan): Promise<TrackScan> {
         const scans = await getConnection().getRepository(TrackScan).find({ where: { runner: scan.runner, valid: true }, relations: ["track"] });
         if (scans.length == 0) {