Hi!
It seems you’re not added the robot account!
Please follow the below steps…
1.Tenant->Manage Access->Select your account->Edit->Robot Setup->Run Foreground automation
provide the following
Domain/Username
Win+R → TYPE whoami->copy the code and provide it in Domain/Username
Credential store
Orchestrator Database
Password
Your windows password
Credential type
Windows credentials
Then click on save.
Reference:
Regards,
NaNi