Principal Ban-ER Item Script (BFNS Baldi Mod)

//Pickup Script

else if (raycastHit.transform.name == "Pickup_PrincipalBanner" & Vector3.Distance(this.player.position, base.transform.position) < 10f)
                {
                    raycastHit.transform.gameObject.SetActive(false);
                    this.gc.CollectItem(12);
                }

//Gamecontroller Script

else if (this.item[this.itemSelected] == 12) // Principal Banner Code
            {
                    StartCoroutine(PrincipalBanner());
                    this.ResetItem();
            }

IEnumerator PrincipalBanner()
    {
        float timer = 45f;
        this.principal.SetActive(false);
        this.bannedicon.SetActive(true);
        this.audioDevice.PlayOneShot(this.banned);
        Debug.Log("Principal has been banned!");
        while (timer > 0)
        {
            timer -= Time.deltaTime;
            yield return new WaitForEndOfFrame();
        }
        Debug.Log("Principal has been unbanned! Welcome back!");
        this.principal.SetActive(true);
        this.bannedicon.SetActive(false);
        this.audioDevice.PlayOneShot(this.hebackpri);
    }

public GameObject bannedicon;
public AudioClip banned;
public AudioClip hebackpri;