Title: Transaction Verification Error
Last modified: August 21, 2016

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# Transaction Verification Error

 *  Resolved [ifingers](https://wordpress.org/support/users/ifingers/)
 * (@ifingers)
 * [12 years, 9 months ago](https://wordpress.org/support/topic/transaction-verification-error/)
 * Hi,
    I am getting this error after a payment has been successfully completed 
   at Barclays:
 * “Transection verification error!”
 * The page url is something like this:
 * [http://www.mywebsite.com/checkout/order-received?wc-api=WC_Nom_EPDQ](http://www.mywebsite.com/checkout/order-received?wc-api=WC_Nom_EPDQ)
 * I am using the WooCommerce Sequential Order Numbers Pro plugin. As existing Barclays
   orders (made using a different shopping cart) are conflicting with the default
   ones generated by WooCommerce. So for example now when I place an order the order
   number I see is say 5022 but the order id in the url might be something like 
   623. I am wondering if this is the issue?
 * Any ideas?
 * [http://wordpress.org/plugins/woocommerce-epdq-payment-gateway/](http://wordpress.org/plugins/woocommerce-epdq-payment-gateway/)

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [maksbd19](https://wordpress.org/support/users/maksbd19/)
 * (@maksbd19)
 * [12 years, 8 months ago](https://wordpress.org/support/topic/transaction-verification-error/#post-4057267)
 * Sorry for the late reply. I was able to recreate this problem with my copy after
   I making some mistake in the SHA-OUT parameters in the plugin configuration page.
   This is crucial that you know what the parameters are and what must be their 
   values. Though your transaction is verified in the Barclay, they send some information
   back so that woocommerce can understand the status of the payment. If there is
   any misconfiguration with the SHA-OUT parameters then the returned value will
   not pass the verification in your site. So that the “Transaction verification
   error” will show up.
 * For more clarity, Barclay return a key value paired url encoded data and a hash
   code digesting those data as well. If the hash generated by digesting in your
   end doesn’t match with the returned one, woocommerce will assume that there is
   an error with the verification of the transaction. So that you need to go thorough
   with those parameters.
 * There is bit confusion about the AAVCHECK and CVCCHECK parameters of Barclay.
   While I was developing this plugin they caused me a nightmare so that you should
   check them carefully.
 * Thanks a lot for using this plugin.
 *  [thisiskode](https://wordpress.org/support/users/thisiskode/)
 * (@thisiskode)
 * [12 years, 5 months ago](https://wordpress.org/support/topic/transaction-verification-error/#post-4057291)
 * Hi
 * I am using the plugin and am having this error. The sale goes through ok in the
   epdq system but the message appears on retruning to the site. The SHA OUT has
   been checked and is correct.
 * I get an email confirming the sale and one that I have pasted below.
 * Can you help?
 * Many thanks
 * Steve
 * _[ Moderator note: please wrap code in [backticks or use the code button](http://codex.wordpress.org/Forum_Welcome#Posting_Code).
   This includes long error logs too. ]_
 *     ```
       ****************************************
       Process Error :
       ****************************************
   
       Problem with online post-sale http request
   
       ****************************************
       Post-sale request result :
       ****************************************
   
       Request parameter send :
       orderID=2509&currency=GBP&amount=38%2E99&PM=CreditCard&ACCEPTANCE=test123&STATUS=9&CARDNO=XXXXXXXXXXXX1111&ED=0215&CN=Joe+Bloggs&TRXDATE=01%2F12%2F14&PAYID=26759850&NCERROR=0&BRAND=VISA&IP=81%2E149%2E194%2E253&SHASIGN=8A4E4A91EE86B0ABA9B073B7E0C335A7F8F71400C1A35D0F3A8C48224020A60AD6ADE706319054A118E17DCBB081B7458197406E68BDA03BEE296A6612676CD2
       HTTP/1.0 404 Not Found
       ```
   
 *  Moderator [Jan Dembowski](https://wordpress.org/support/users/jdembowski/)
 * (@jdembowski)
 * Forum Moderator and Brute Squad
 * [12 years, 5 months ago](https://wordpress.org/support/topic/transaction-verification-error/#post-4057292)
 * Steve? This topic is 3 months old and is different than your problem.
 * Per the [forum welcome](http://codex.wordpress.org/Forum_Welcome#Where_To_Post)
   please post your own topic in this plugin’s dedicated sub-forum.
 * [http://wordpress.org/support/plugin/woocommerce-epdq-payment-gateway](http://wordpress.org/support/plugin/woocommerce-epdq-payment-gateway)
 * It really is the best way to get your problem the attention it deserves.
 *  [thisiskode](https://wordpress.org/support/users/thisiskode/)
 * (@thisiskode)
 * [12 years, 5 months ago](https://wordpress.org/support/topic/transaction-verification-error/#post-4057293)
 * Many thanks for your quick response. I posted here as the error message was the
   same as this. I will create a new topic.
 * Thanks
 * Steve

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Transaction Verification Error’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/woocommerce-epdq-payment-gateway.
   svg)
 * [Barclay ePDQ payment gateway for wordpress](https://wordpress.org/plugins/woocommerce-epdq-payment-gateway/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-epdq-payment-gateway/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/woocommerce-epdq-payment-gateway/)
 * [Active Topics](https://wordpress.org/support/plugin/woocommerce-epdq-payment-gateway/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-epdq-payment-gateway/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/woocommerce-epdq-payment-gateway/reviews/)

 * 4 replies
 * 4 participants
 * Last reply from: [thisiskode](https://wordpress.org/support/users/thisiskode/)
 * Last activity: [12 years, 5 months ago](https://wordpress.org/support/topic/transaction-verification-error/#post-4057293)
 * Status: resolved