[Koha] Problem with SIP

[Gonzalo Córdova Mío]

Hello. I have already configured the SIP for self-service and when making a
loan from the loan equipment I get this error message. Anyone know what
might be happening?

2023-09-15 15:10:03,817 INFO    [SIP] MessageFormatter - Parsed: [64]
Patron Information Response {patron_status = None, language = SpanishNA,
transaction_date = 2023-09-15T15:10:04, hold_items_count = 0,
overdue_items_count = 0, charged_items_count = 0, fine_items_count = 0,
recall_items_count = 0, unavailable_holds_count = 0, institution_id =
"BUCS", patron_identifier = #6da1f2e2, personal_name = #4414b04d,
valid_patron = True, valid_patron_password = True, fee_amount = 0,
fee_limit = 5, PC = "AL", PI = "Y", screen_message = "Greetings from Koha.
"}
2023-09-15 15:10:03,819 TRACE   [SIP] MessageProcessor - Response read for:
Patron Information Response, elapsed=00:00:00.2712779
2023-09-15 15:10:03,821 ERROR   [SIP] MessageProcessor - Invalid message
received: The value for field "patron_identifier" in the response
(patron_identifier = #6da1f2e2) is not the expected value
(patron_identifier = #6a705781); requesting resend (1)
2023-09-15 15:10:03,823 TRACE   [SIP] MessageProcessor - Writing request
for: Request ACS Resend, timeout=00:00:19.6590000

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Gonzalo Córdova