Please help.
checkout by amazon pluging button not showing at checkout page. . I am using v1.3.9f



Checkout by Amazon 1.0

Enable Checkout by Amazon
True

Checkout by Amazon merchantID *


Operating environment
Sandbox

Checkout Button Size
Large

Button Style
Orange

Sort order of display.
1

Cart expiration time (in minutes)
0

Cancelation Return Page


Success Return Page


Enable Diagnostic Logging
False


SIGNING OPTIONS

Enable Order Signing
False

AWS Access ID *


AWS Secret Key *




ORDER MANAGEMENT OPTIONS

Enable Order Mgmt
False

Merchant Login Id *


Merchant Password *


Merchant Token *


Merchant Name *




ORDER STATUS MAPPING
New Order Status
Processing [2]

ReadyToShip Order Status
Pending [1]

Delivered Order Status
Pending [1]

Refund Order Status
Pending [1]

Canceled Order Status
Pending [1]


CALLBACK OPTIONS

Enable Callbacks
False

Callback Page *
https://bazaarmorocco.com/store1/checkout_by_amazon.php

Enable Shipping Calculations
True

Enable Tax Calculations
True

Is Shipping and Handling Taxed