Credential Provider requires secret/private key

[tobzilla90]

Error:
secretOrPrivateKey must have a value ../src/lib/oauth/client.ts:17:38354 Error: secretOrPrivateKey must have a value at jr (../src/lib/oauth/client.ts:17:38354) at ../src/lib/oauth/client.ts:25:128325 at Generator.next (<anonymous>) at s (../src/lib/oauth/client.ts:15:165) at processTicksAndRejections (node:internal/process/task_queues:96:5

Only Credential Provider is setup no other in the App.

Copied the exact code as Provided in the Credential Provider example in the docs