Bug Animation not playing

I am making a soulslike game and watching this video currently:

i got to 5:30 but when I try to roll the play sinks into the ground and it says this.

Parameter 'IsInteracting' does not exist.
UnityEngine.Animator:SetBool (string,bool)
HR.AnimatorHandlerlayTargetAnimation (string,bool) (at Assets/Scripts/AnimatorHandler.cs:80)
HR.PlayerLocomotion:HandleRollingAndSprinting (single) (at Assets/Scripts/PlayerLocomotion.cs:114)
HR.PlayerLocomotion:Update () (at Assets/Scripts/PlayerLocomotion.cs:44)

 

Also here are my 2 scripts:

Code (SCharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5. namespace HR
6. {
7.     public class AnimatorHandler : MonoBehaviour
8.     {
9.         public Animator anim;
10.         int vertical;
11.         int horizontal;
12.         public bool canRotate;
13.  
14.         public void Initialize()
15.         {
16.             anim = GetComponent<Animator>();
17.             vertical = Animator.StringToHash("Vertical");
18.             horizontal = Animator.StringToHash("Horizontal");
19.         }
20.  
21.         public void UpdateAnimatorValues(float verticalMovement, float horizontalMovement)
22.         {
23.             #region Vertical
24.             float v = 0;
25.  
26.             if (verticalMovement > 0 && verticalMovement < 0.55f)
27.             {
28.                 v = 0.5f;
29.             }
30.             else if (verticalMovement > 0.55f)
31.             {
32.                 v = 1;
33.             }
34.             else if (verticalMovement < 0 && verticalMovement > -0.55f)
35.             {
36.                 v = -0.5f;
37.             }
38.             else if (verticalMovement < -0.55f)
39.             {
40.                 v = -1;
41.             }
42.             else
43.             {
44.                 v = 0;
45.             }
46.             #endregion
47.  
48.             #region Horizontal;
49.             float h = 0;
50.  
51.             if (horizontalMovement > 0 && horizontalMovement < 0.55f)
52.             {
53.                 h = 0.5f;
54.             }
55.             else if (horizontalMovement > 0.55f)
56.             {
57.                 h = 1;
58.             }
59.             else if (horizontalMovement < 0 && horizontalMovement > -0.55f)
60.             {
61.                 h = -0.5f;
62.             }
63.             else if (horizontalMovement < -0.55f)
64.             {
65.                 h = -1;
66.             }
67.             else
68.             {
69.                 h = 0;
70.             }
71.             #endregion
72.  
73.             anim.SetFloat(vertical, v, 0.1f, Time.deltaTime);
74.             anim.SetFloat(horizontal, h, 0.1f, Time.deltaTime);
75.         }
76.  
77.         public void PlayTargetAnimation(string targetAnim, bool isInteracting)
78.         {
79.             anim.applyRootMotion = isInteracting;
80.             anim.SetBool("IsInteracting", isInteracting);
81.             anim.CrossFade(targetAnim, 0.2f);
82.         }
83.  
84.         public void CanRotate()
85.         {
86.             canRotate = true;
87.         }
88.  
89.         public void StopRotation()
90.         {
91.             canRotate = false;
92.         }
93.     }
94. }
95.  

Code (CSharp):

1.  
2. using System.Collections;
3. using System.Collections.Generic;
4. using UnityEngine;
5.  
6. namespace HR
7. {
8.     public class PlayerLocomotion : MonoBehaviour
9.     {
10.         Transform cameraObject;
11.         InputHandler inputHandler;
12.         Vector3 moveDirection;
13.  
14.         [HideInInspector]
15.         public Transform myTransform;
16.         [HideInInspector]
17.         public AnimatorHandler animatorHandler;
18.  
19.         public new Rigidbody rigidbody;
20.         public GameObject normalCamera;
21.  
22.         [Header("Stats")]
23.         [SerializeField]
24.         float movementSpeed = 5;
25.         [SerializeField]
26.         float rotationSpeed = 10;
27.  
28.         void Start()
29.         {
30.             rigidbody = GetComponent<Rigidbody>();
31.             inputHandler = GetComponent<InputHandler>();
32.             animatorHandler = GetComponentInChildren<AnimatorHandler>();
33.             cameraObject = Camera.main.transform;
34.             myTransform = transform;
35.             animatorHandler.Initialize();
36.  
37.         }
38.  
39.         public void Update()
40.         {
41.             float delta = Time.deltaTime;
42.  
43.             inputHandler.TickInput(delta);
44.             HandleMovement(delta);
45.             HandleRollingAndSprinting(delta);
46.  
47.         }
48.  
49.         #region Movement
50.         Vector3 normalVector;
51.         Vector3 targetPosition;
52.  
53.         private void HandleRotation(float delta)
54.         {
55.             Vector3 targetDir = Vector3.zero;
56.             float moveOverride = inputHandler.moveAmount;
57.  
58.             targetDir = cameraObject.forward * inputHandler.vertical;
59.             targetDir += cameraObject.right * inputHandler.horizontal;
60.  
61.             targetDir.Normalize();
62.             targetDir.y = 0;
63.  
64.             if (targetDir == Vector3.zero)
65.             targetDir = myTransform.forward;
66.  
67.             float rs = rotationSpeed;
68.  
69.             Quaternion tr = Quaternion.LookRotation(targetDir);
70.             Quaternion targetRotation = Quaternion.Slerp(myTransform.rotation,tr, rs * delta);
71.  
72.             myTransform.rotation = targetRotation;
73.         }
74.  
75.         public void HandleMovement(float delta)
76.         {
77.             moveDirection = cameraObject.forward * inputHandler.vertical;
78.             moveDirection += cameraObject.right * inputHandler.horizontal;
79.             moveDirection.Normalize();
80.             moveDirection.y = 0;
81.  
82.             float speed = movementSpeed;
83.             moveDirection *= speed;
84.  
85.             Vector3 projectedVelocity = Vector3.ProjectOnPlane(moveDirection, normalVector);
86.             rigidbody.velocity = projectedVelocity;
87.  
88.             animatorHandler.UpdateAnimatorValues(inputHandler.moveAmount, 0);
89.  
90.             if (animatorHandler.canRotate)
91.             {
92.                 HandleRotation(delta);
93.             }
94.         }
95.  
96.         public void HandleRollingAndSprinting(float delta)
97.         {
98.             if (animatorHandler.anim.GetBool("isInteracting"))
99.                 return;
100.  
101.             if (inputHandler.rollFlag)
102.             {
103.                 moveDirection = cameraObject.forward * inputHandler.vertical;
104.                 moveDirection += cameraObject.right * inputHandler.horizontal;
105.  
106.                 if (inputHandler.moveAmount > 0)
107.                 {
108.                     animatorHandler.PlayTargetAnimation("Rolling", true);
109.                     moveDirection.y = 0;
110.                     Quaternion rollRotation = Quaternion.LookRotation(moveDirection);
111.                     myTransform.rotation = rollRotation;
112.                 }
113.                 else
114.                 {
115.                     animatorHandler.PlayTargetAnimation("Backstep", true);
116.                 }
117.             }
118.         }
119.  
120.         #endregion
121.     }
122. }
123.  

 

The error is telling you exactly what is wrong. If you look at your animator, you probably did not name the parameter

IsInteracting

. Especially if you look at the video around the 1 minute, the parameter is clearly named

isInteracting

. Notice the lower-case i?

Also at around 2:16 in the video he clearly types

isInteracting

in his script for the as the animation parameter to be updated.

So change your script to use the exact name of the parameter.