Vault practice lab(Configuring Integrated Storage Manually) issue with API Calls

i was working to learn hashicorp vault using my organization Udemy for Business and i fail to complete properly the labs as API calls are failing for some commands in the Integrated storage backend join lab.

Course Name : Labs- HashiCorp Certified: Vault Associate Certification

Lab Name : Configuring Integrated Storage Manually

Errors as below,

bob@node-1-vault operator raft list-peers Error reading the raft cluster configuration: Error making APS request. URL: GET http: //192.24.226.15:8200 /1/sys/storage/raft/configration Code: 403. Errors: permission denied

bob@node-2 → vault secrets list Error listing secrets engines: Error making API request. URL: GET http: //192.24.226.18:8200 /v1/sys/mounts Code: 403. Errors: * permission denied

bob@node-3X vault secrets enable aws Error enabling: Error making API request. URL: POST http: // 192.24.226.3:8200/v1/sys/mounts/aws Code: 493.

Errors: * permission denied

Looks like you need to set the VAULT_TOKEN environment variable using the credentials left under the /opt directory. See this forum post for more information.