# RerankingPostProcessor inside RetrievalAugmentationAdvisor (retrieve 50, keep 5)

question: How do I fix E-4129?
retriever returned 50 documents; the post-processor kept 5

kept  id       retrieval rank  rerank score     text
1     E-4129   12              3.52             Error E-4129 - API key lacks permission. The key
2     E-4128   2               2.21             Error E-4128 - Tax identifier invalid. The tax r
3     E-4122   1               1.48             Error E-4122 - Payment method not attached. The 
4     E-4123   14              1.09             Error E-4123 - Duplicate customer email. A custo
5     E-4126   5               0.94             Error E-4126 - Coupon expired. The coupon passed

--- the prompt the model received ---
Context information is below.

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Error E-4129 - API key lacks permission. The key in use does not carry the scope needed for this endpoint. Create a restricted key that includes it.
Error E-4128 - Tax identifier invalid. The tax registration number does not match the format for its country. Check the prefix and the number of digits.
Error E-4122 - Payment method not attached. The payment method is not attached to this customer. Attach it first, or pass it directly on a one-off charge.
Error E-4123 - Duplicate customer email. A customer with this email address already exists and the account is configured to enforce unique emails. Reuse the existing customer.
Error E-4126 - Coupon expired. The coupon passed its redemption end date. Create a new coupon or extend the validity in the dashboard.
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Given the context information and no prior knowledge, answer the query.

Follow these rules:

1. If the answer is not in the context, just say that you don't know.
2. Avoid statements like "Based on the context..." or "The provided information...".

Query: How do I fix E-4129?

Answer: