[Skip to main content](#vessel-content) # Error 10002: Security%20header%20is%20not%20valid ## - **[byesuzuki](/forum/user/3778-byesuzuki "View byesuzuki's Profile")** - [![byesuzuki's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/3778-byesuzuki "View byesuzuki's Profile") Topic Author - [ Offline](/forum/user/3778-byesuzuki) Less More - Posts: 49 - Thank you received: 0 - - 14 years 11 months ago [\#31001](#31001) by [byesuzuki](/forum/user/3778-byesuzuki "View byesuzuki's Profile") *[Error 10002: Security%20header%20is%20not%20valid](/forum/4-how-to/31001-error-10002-security-20header-20is-20not-20valid#31001 "Hi there, I set up paypal pro and put in the username/pwd/signature in the boxes and got this error "Error 10002: Security%20header%20is%20not%20valid" I logged in to paypal, copied and pasted the credentials again to make sure and still get the same error. Is there something wrong on hikashop's end as I can't get this to work even though it's configured. This is how the settings are on that page.")* was created by *[byesuzuki](/forum/user/3778-byesuzuki "View byesuzuki's Profile")* Hi there, I set up paypal pro and put in the username/pwd/signature in the boxes and got this error "Error 10002: Security%20header%20is%20not%20valid" I logged in to paypal, copied and pasted the credentials again to make sure and still get the same error. Is there something wrong on hikashop's end as I can't get this to work even though it's configured. This is how the settings are on that page. [ ![[img](http://www.hikashop.com/media/kunena/attachments/legacy/images/PPPro.png) ](http://www.hikashop.com/media/kunena/attachments/legacy/images/PPPro.png "[img") - [ ![PPPro.png](/forum/attachment/2138) ](/forum/attachment/2138 "PPPro.png") [ ](/forum/attachment/2138?download=1 "PPPro.png") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzQtaG93LXRvLzMxMDAxLWVycm9yLTEwMDAyLXNlY3VyaXR5MjBoZWFkZXIyMGlzMjBub3QyMHZhbGlkP3RtcGw9bWFya2Rvd24=) 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: 14267 - - 14 years 11 months ago [\#31003](#31003) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Re: Error 10002: Security%20header%20is%20not%20valid](/forum/4-how-to/31001-error-10002-security-20header-20is-20not-20valid#31003 "Hi there, I set up paypal pro and put in the username/pwd/signature in the boxes and got this error "Error 10002: Security%20header%20is%20not%20valid" I logged in to paypal, copied and pasted the credentials again to make sure and still get the same error. Is there something wrong on hikashop's end as I can't get this to work even though it's configured. This is how the settings are on that page.")* Hi, It's a standard PayPal error when you didn't setup properly paypal pro or the paypal pro plugin. I see that you're using the sandbox environment. Do you know that you need different credentials than your paypal pro account in order to use the sandbox ? You can find all that explained on that link: [ www.x.com/developers/paypal/forums/intro...ity-header-not-valid](https://www.x.com/developers/paypal/forums/introduce-yourself/10002security-error-security-header-not-valid) Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzQtaG93LXRvLzMxMDAxLWVycm9yLTEwMDAyLXNlY3VyaXR5MjBoZWFkZXIyMGlzMjBub3QyMHZhbGlkP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[byesuzuki](/forum/user/3778-byesuzuki "View byesuzuki's Profile")** - [![byesuzuki's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/3778-byesuzuki "View byesuzuki's Profile") Topic Author - [ Offline](/forum/user/3778-byesuzuki) Less More - Posts: 49 - Thank you received: 0 - - 14 years 11 months ago [\#31004](#31004) by [byesuzuki](/forum/user/3778-byesuzuki "View byesuzuki's Profile") Replied by *[byesuzuki](/forum/user/3778-byesuzuki "View byesuzuki's Profile")* on topic *[Re: Error 10002: Security%20header%20is%20not%20valid](/forum/4-how-to/31001-error-10002-security-20header-20is-20not-20valid#31004 "Hi there, I set up paypal pro and put in the username/pwd/signature in the boxes and got this error "Error 10002: Security%20header%20is%20not%20valid" I logged in to paypal, copied and pasted the credentials again to make sure and still get the same error. Is there something wrong on hikashop's end as I can't get this to work even though it's configured. This is how the settings are on that page.")* never mind, it was because it was in sandbox mode, i switched it to production and it works fine now. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzQtaG93LXRvLzMxMDAxLWVycm9yLTEwMDAyLXNlY3VyaXR5MjBoZWFkZXIyMGlzMjBub3QyMHZhbGlkP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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