runtime error

Exit code: 1. Reason: ate_tab("RamayanaGPT🏹", ramayana_index, ramayana_qa_template, md.RamayanaGPT) File "/home/user/app/app.py", line 126, in create_tab fn=chat(vector_index, template), File "/home/user/app/app.py", line 81, in chat llm = Gemini( File "/usr/local/lib/python3.10/site-packages/llama_index/llms/gemini/base.py", line 163, in __init__ model_meta = genai.get_model(model) File "/usr/local/lib/python3.10/site-packages/google/generativeai/models.py", line 57, in get_model return get_base_model(name, client=client, request_options=request_options) File "/usr/local/lib/python3.10/site-packages/google/generativeai/models.py", line 100, in get_base_model result = client.get_model(name=name, **request_options) File "/usr/local/lib/python3.10/site-packages/google/ai/generativelanguage_v1beta/services/model_service/client.py", line 800, in get_model response = rpc( File "/usr/local/lib/python3.10/site-packages/google/api_core/gapic_v1/method.py", line 131, in __call__ return wrapped_func(*args, **kwargs) File "/usr/local/lib/python3.10/site-packages/google/api_core/retry/retry_unary.py", line 294, in retry_wrapped_func return retry_target( File "/usr/local/lib/python3.10/site-packages/google/api_core/retry/retry_unary.py", line 156, in retry_target next_sleep = _retry_error_helper( File "/usr/local/lib/python3.10/site-packages/google/api_core/retry/retry_base.py", line 214, in _retry_error_helper raise final_exc from source_exc File "/usr/local/lib/python3.10/site-packages/google/api_core/retry/retry_unary.py", line 147, in retry_target result = target() File "/usr/local/lib/python3.10/site-packages/google/api_core/timeout.py", line 130, in func_with_timeout return func(*args, **kwargs) File "/usr/local/lib/python3.10/site-packages/google/api_core/grpc_helpers.py", line 78, in error_remapped_callable raise exceptions.from_grpc_error(exc) from exc google.api_core.exceptions.NotFound: 404 Model is not found: models/gemini-1.5-flash for api version v1beta

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