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Hi! I’m using Vertex AI Search (Enterprise Search) to access my company Google Drive folder. Created an app there, and in the preview it works OK, but when I activate and publish an app I keep seeing this error. What am I doing wrong?

{
“error”: {
“code”: 404,
“message”: “Assistant with name \“projects/XXXXXX/locations/global/collections/default_collection/engines/aireportsdrive_XXXXX/assistants/default_assistant\” does not exist.”,
“status”: “NOT_FOUND”,
“details”: [
{
@type”: “type.googleapis.com/google.rpc.ErrorInfo”,
“reason”: “ASSISTANT_NOT_FOUND”,
“domain”: “discoveryengine.googleapis.com”,
“metadata”: {
“assistantName”: “projects/XXXX/locations/global/collections/default_collection/engines/aireportsdrive_XXXXX/assistants/default_assistant”
}
},
{
@type”: “type.googleapis.com/google.rpc.RequestInfo”,
“requestId”: “assist_token:XXXXX”
}
]
}
}