Problem in calling a vertex API

I am trying to call the below Google vertex API and it is showing that my account is not allowed to use it. 
 
 
getting the below response.
 
{
    "error": {
        "code": 400,
        "message": "Project `XXXXX` is not allowed to use Publisher Model `projects/xxxxxxxx/locations/asia-south1/publishers/google/models/multimodalembedding@001`",
        "status": "FAILED_PRECONDITION"
    }
}
 
I assume there is some access restriction that I am missing in my Google Cloud account. I do have the below roles
Vertex AI Admin, Vertex AI User. 
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The issue is resolved after I changed the location to us-central1. Is there a restriction with location?