[Skip to main content](#vessel-content) # Error using Paypal Pro in Sandbox mode ## - **[rodopemu](/forum/user/32168-rodopemu "View rodopemu's Profile")** - [![rodopemu's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/32168-rodopemu "View rodopemu's Profile") Topic Author - [ Offline](/forum/user/32168-rodopemu) Less More - Posts: 75 - Thank you received: 2 - - 12 years 4 months ago [\#158152](#158152) by [rodopemu](/forum/user/32168-rodopemu "View rodopemu's Profile") *[Error using Paypal Pro in Sandbox mode](/forum/29-payment-methods/868641-error-using-paypal-pro-in-sandbox-mode#158152 "-- url of the page with the problem -- : www.inkacollective.com/testing/consilium/ -- HikaShop version -- : 2.3 -- Joomla version -- : 3.3 -- PHP version -- : 5.x I am using Paypal Pro payment method in sandbox mode. However, when I submit a credit card it does not let me do it and displays an Error 10002: Security header is not valid Is this just because I am in sandbox mode?")* was created by *[rodopemu](/forum/user/32168-rodopemu "View rodopemu's Profile")* -- url of the page with the problem -- : [ www.inkacollective.com/testing/consilium/](http://www.inkacollective.com/testing/consilium/) -- HikaShop version -- : 2.3 -- Joomla version -- : 3.3 -- PHP version -- : 5.x I am using Paypal Pro payment method in sandbox mode. However, when I submit a credit card it does not let me do it and displays an Error 10002: Security header is not valid Is this just because I am in sandbox mode? Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84Njg2NDEtZXJyb3ItdXNpbmctcGF5cGFsLXByby1pbi1zYW5kYm94LW1vZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[Jerome](/forum/user/80-jerome "View Jerome's Profile")** - [![Jerome's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar80.png)](/forum/user/80-jerome "View Jerome's Profile") - [ Offline](/forum/user/80-jerome) - HikaShop core developer Less More - Posts: 26394 - Thank you received: 4078 - - [](http://obsi.dev) - 12 years 4 months ago [\#158166](#158166) by [Jerome](/forum/user/80-jerome "View Jerome's Profile") Replied by *[Jerome](/forum/user/80-jerome "View Jerome's Profile")* on topic *[Error using Paypal Pro in Sandbox mode](/forum/29-payment-methods/868641-error-using-paypal-pro-in-sandbox-mode#158166 "-- url of the page with the problem -- : www.inkacollective.com/testing/consilium/ -- HikaShop version -- : 2.3 -- Joomla version -- : 3.3 -- PHP version -- : 5.x I am using Paypal Pro payment method in sandbox mode. However, when I submit a credit card it does not let me do it and displays an Error 10002: Security header is not valid Is this just because I am in sandbox mode?")* Hi, [ developer.paypal.com/docs/classic/api/errorcodes/](https://developer.paypal.com/docs/classic/api/errorcodes/) There is no "10002" code with "security header". It is "10008". "10002" is for authentication problems. I will suggest you to contact the paypal support for more details. Regards, --- Jerome - Obsidev.com HikaMarket & HikaSerial developer / HikaShop core dev team. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84Njg2NDEtZXJyb3ItdXNpbmctcGF5cGFsLXByby1pbi1zYW5kYm94LW1vZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[chernandez1982](/forum/user/33073-chernandez1982 "View chernandez1982's Profile")** - [![chernandez1982's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/33073-chernandez1982 "View chernandez1982's Profile") - [ Offline](/forum/user/33073-chernandez1982) Less More - Posts: 2 - Thank you received: 0 - - 12 years 4 months ago [\#160319](#160319) by [chernandez1982](/forum/user/33073-chernandez1982 "View chernandez1982's Profile") Replied by *[chernandez1982](/forum/user/33073-chernandez1982 "View chernandez1982's Profile")* on topic *[Error using Paypal Pro in Sandbox mode](/forum/29-payment-methods/868641-error-using-paypal-pro-in-sandbox-mode#160319 "-- url of the page with the problem -- : www.inkacollective.com/testing/consilium/ -- HikaShop version -- : 2.3 -- Joomla version -- : 3.3 -- PHP version -- : 5.x I am using Paypal Pro payment method in sandbox mode. However, when I submit a credit card it does not let me do it and displays an Error 10002: Security header is not valid Is this just because I am in sandbox mode?")* But as I fix, Any guide? Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84Njg2NDEtZXJyb3ItdXNpbmctcGF5cGFsLXByby1pbi1zYW5kYm94LW1vZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[nicolas](/forum/user/63-nicolas "View nicolas's Profile")** - [![nicolas's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar63.png)](/forum/user/63-nicolas "View nicolas's Profile") - [ Offline](/forum/user/63-nicolas) Less More - Posts: 86290 - Thank you received: 14268 - - 12 years 4 months ago [\#160321](#160321) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Error using Paypal Pro in Sandbox mode](/forum/29-payment-methods/868641-error-using-paypal-pro-in-sandbox-mode#160321 "-- url of the page with the problem -- : www.inkacollective.com/testing/consilium/ -- HikaShop version -- : 2.3 -- Joomla version -- : 3.3 -- PHP version -- : 5.x I am using Paypal Pro payment method in sandbox mode. However, when I submit a credit card it does not let me do it and displays an Error 10002: Security header is not valid Is this just because I am in sandbox mode?")* The best is to ask your PayPal support. They'll be able to review your account settings and tell you what is wrong. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI5LXBheW1lbnQtbWV0aG9kcy84Njg2NDEtZXJyb3ItdXNpbmctcGF5cGFsLXByby1pbi1zYW5kYm94LW1vZGU/dG1wbD1tYXJrZG93bg==) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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