mem0ai/mem0 · error · ValueError
No vectors provided for insertion
Error message
No vectors provided for insertion
What it means
Error "No vectors provided for insertion" thrown in mem0ai/mem0.
Source
Thrown at mem0/vector_stores/vertex_ai_vector_search.py:179
def insert(
self,
vectors: List[list],
payloads: Optional[List[Dict]] = None,
ids: Optional[List[str]] = None,
) -> None:
"""Insert vectors into the Matching Engine index.
Args:
vectors: List of vectors to insert
payloads: Optional list of metadata dictionaries
ids: Optional list of IDs for the vectors
Raises:
ValueError: If vectors is empty or lengths don't match
GoogleAPIError: If the API call fails
"""
if not vectors:
raise ValueError("No vectors provided for insertion")
if payloads and len(payloads) != len(vectors):
raise ValueError(f"Number of payloads ({len(payloads)}) does not match number of vectors ({len(vectors)})")
if ids and len(ids) != len(vectors):
raise ValueError(f"Number of ids ({len(ids)}) does not match number of vectors ({len(vectors)})")
logger.debug("Starting insert of %d vectors", len(vectors))
try:
datapoints = [
self._create_datapoint(
vector_id=ids[i] if ids else str(uuid.uuid4()),
vector=vector,
payload=payloads[i] if payloads and i < len(payloads) else None,
)
for i, vector in enumerate(vectors)
]View on GitHub (pinned to 001c235229)
Solutions
- Pass a non-empty list of vectors to insert().
When it happens
Trigger: Thrown at mem0/vector_stores/vertex_ai_vector_search.py:179 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of mem0ai/mem0@001c235229 (2026-08-15).
Data as JSON: /api/errors/08aa6b36cf193385.
Report an issue: GitHub.