2007

Table Of Contents
Name-Value Pair API Developer Guide and Reference March 2007 71
Error Message Reference
Express Checkout API Errors
10412 Duplicate
invoice
Payment has already been made for this
InvoiceID.
PayPal checks that
InvoiceID values are
unique for any particular
merchant. If you send an
InvoiceID value already
associated with another
transaction in the PayPal
system, PayPal returns error
code 10412.
You might not be able to
correct this error during an
actual checkout. If you get
this error, research why
might occur and modify
your implementation of
Express Checkout to ensure
that you generate unique
invoice identification
numbers.
10415 Transaction
refused
because of an
invalid
argument. See
additional error
messages for
details.
A successful transaction has already been
completed for this token.
PayPal allows a token only
once for a successful
transaction.
Handling this error
If you determine that your
customers are clicking your
“Place Order” button twice,
PayPal recommends that you
disable the button after your
customer has clicked it.
10425 Express
Checkout has
been disabled
for this
merchant.
Express Checkout has been disabled for this
merchant. Please contact Customer Service.
10432 Transaction
refused
because of an
invalid
argument. See
additional error
messages for
details.
Invoice ID value exceeds maximum allowable
length.
T
ABLE B.3 SetExpressCheckout API Errors
Error Code
Short
Message Long Message Correcting This Error...