3523443 - 401 UNAUTHORIZED error when calling to the applications of provider subaccount

When trying to subscribe to the applications of provider subaccount, it failed.

Error:
Subscribe failed. Error: Subscribe failed. Parameters: rootSubscription: 265,854. Error description: CorrelationId: xxx, Error build subscription tree : Error parse get dependencies of application with appName: xxx. Error: CorrelationId: xxx, Error build subscription tree : Error invoke get dependencies callback of application with appName: xxx.
Error: Please open a ticket for application/service with appName: xxx. Failed to call callback. URL: GET https://xxx. Consumer tenant: xxx.
Callback response: {"error":{"message":"Unauthorized","code":401}}. status code: 401 UNAUTHORIZED 

• SAP Cloud Platform Cloud Foundry

Callback response: {"error":{"message":"Unauthorized","code":401}}. status code: 401 UNAUTHORIZED, Multi-tenant app, provider, subscriber , KBA , BC-NEO-CIS , Commercial Infrastructure , Problem