Unable to create vector index - insufficient storage quota

Summary:

Getting Error "Unable to create vector index - insufficient storage quota" while creating Vector Index

Content (please ensure you mask any confidential information):

I am trying to create vector index with below PLSQL but which is not allowing me to create Vector Index. Kindly help

BEGIN

DBMS_CLOUD_AI.CREATE_VECTOR_INDEX(
index_name => 'XX_VECTOR_INDEX',
attributes => '{"vector_db_provider": "oracle",
"location": "https://objectstorage.xx.oraclecloud.com/n/xx/b/xx/o/xx",
"object_storage_credential_name": "XX_OCI_CRED",
"profile_name": "XX_GENAI_RAG_PROF",
"vector_dimension": 1536,
"vector_distance_metric": "cosine",
"chunk_overlap":128,
"chunk_size":1024}');