I got following error in nagento 2.1.9

nalliappansp — Sun, 09 Sep 2018 17:02:37 GMT

[2018-09-08 08:14:51] main.DEBUG: cache_invalidate: {"method":"POST","url":"https://lonestartool.com/sales/order/reorder/order_id/483/","invalidateInfo":{"identifier":"notification_update_customer_session_262"},"is_exception":false} []
[2018-09-08 08:16:25] main.DEBUG: array (
'request' =>
array (
'x_version' => '3.1',
'x_delim_data' => 'FALSE',
'x_relay_response' => 'TRUE',
'x_test_request' => 'FALSE',
'x_login' => '****',
'x_method' => 'CC',
'x_relay_url' => 'https://lonestartool.com/authorizenet/directpost_payment/response',
'x_type' => 'AUTH_CAPTURE',
'x_fp_sequence' => '2048',
'x_invoice_num' => '1000000507',
'x_amount' => 5323.5,
'x_currency_code' => 'USD',
'x_tax' => '0.00',
'x_freight' => '100.00',
'x_first_name' => 'Mani',
'x_last_name' => 'N',
'x_company' => '',
'x_address' => 'chennai',
'x_city' => 'chennai',
'x_state' => 'Florida',
'x_zip' => '32830',
'x_country' => '',
'x_phone' => '',
'x_fax' => '',
'x_cust_id' => '',
'x_customer_ip' => '106.198.43.103',
'x_customer_tax_id' => '',
'x_email' => 'maninalliappan@gmail.com',
'x_email_customer' => '0',
'x_merchant_email' => 'rick@lonestartool.com',
'x_ship_to_first_name' => 'Mani',
'x_ship_to_last_name' => 'N',
'x_ship_to_company' => '',
'x_ship_to_address' => 'chennai',
'x_ship_to_city' => 'chennai',
'x_ship_to_state' => 'Florida',
'x_ship_to_zip' => '32830',
'x_ship_to_country' => '',
'x_po_num' => '',
'x_fp_timestamp' => 1536394585,
'x_fp_hash' => '1c7e77103cc0ac88c76b5f057de30fa1',
),
370000000000002
) {"is_exception":false} []
[2018-09-08 08:20:22] main.DEBUG: cache_invalidate: {"method":"POST","url":"https://lonestartool.com/admin/admin/system_config/save/section/payment/key/f7271e1c73dcbb55f62275f10d8ed4f56e85176d4d3a929e0c723ea26333ee57/","invalidateInfo":{"tags":["config_scopes","CONFIG"],"mode":"matchingTag"},"is_exception":false} []
[2018-09-08 08:20:22] main.DEBUG: cache_invalidate: {"method":"POST","url":"https://lonestartool.com/admin/admin/system_config/save/section/payment/key/f7271e1c73dcbb55f62275f10d8ed4f56e85176d4d3a929e0c723ea26333ee57/","invalidateInfo":{"tags":["config_scopes","CONFIG"],"mode":"matchingTag"},"is_exception":false} []

topic I got following error in nagento 2.1.9 in Integration and Testing

I got following error in nagento 2.1.9