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RuntimeError: _ResourceExhaustedError: 
On how to mitigate this issue, please refer to:

https://google.github.io/adk-docs/agents/models/google-gemini/#error-code-429-resource_exhausted


429 RESOURCE_EXHAUSTED. {'error': {'code': 429, 'message': 'Resource exhausted. Please try again later. Please refer to https://cloud.google.com/vertex-ai/generative-ai/docs/error-code-429 for more details.', 'status': 'RESOURCE_EXHAUSTED'}}

1. 1

   Perimeter · Model Armor passed

   verdict

   no match

   looks like an invoice

   yes

2. 2

   Extraction passed

   invoice

   INV-2390

   vendor

   Acme Supplies

   tax id

   TAX-ACME-01-b2

   PO

   PO-1090

   date

   2026-08-11

   terms

   2/10 net 30

   total

   USD 3,338.43

   bank

   ****4417 ICIC0000123

   confidence

   0.95

   • Widgets × 10.0 @ 333.84

   Line item total of 3338.40 differs slightly from invoice total 3338.43 due to potential rounding or tax discrepancies in raw document.

3. 3

   Fraud sentinel flagged

   risk score 0.45

   • prior_tampering mediumPrior invoice INV-2358 from this vendor was rejected on 2026-08-19 for white-on-white text tampering and possible vendor impersonation.

   Invoice INV-2390 banking details and payment terms align with established baseline history for Acme Supplies, but vendor memory records a prior rejected invoice (INV-2358) due to forensic tampering and potential impersonation.

4. 4

   Forensic · hidden text passed

   No evidence of tampering or adversarial manipulation detected. The document structure, metadata, and visible text appear standard.

5. 5

   Policy gate · code flagged

   outcome

   needs_human

   3-way match

   matched

   risk tier

   high

   fraud:prior_tampering vendor on watch: a previous invoice was caught tampering
6. 6

   Human review blocked

   rejected by

   ap-manager

   note

   batch closed after the 100-invoice evaluation

7. 7

   Treasury · pay-executor not reached