Can anyone help with this? I cannot get my store to link and proccess sales with PayPal anymore. This message comes up everytime and i canot find a solution anywhere in the user files.
Error 10002Security error: Security header is not valid
Check your SSL. Has it expired?
Hello!
Can anyone help with this? I cannot get my store to link and proccess sales with PayPal anymore. This message comes up everytime and i canot find a solution anywhere in the user files.
Error 10002Security error: Security header is not valid
Have you checked the access credentials as mentioned in your previous topic? https://forum.cs-cart.com/topic/54233-error-message
What version of cs-cart are you running? If pre 4.9.2, you may need to install the http2 fix.
You can get a free addon here that will apply the patch for you.
Can anyone help with this? I cannot get my store to link and proccess sales with PayPal anymore. This message comes up everytime and i canot find a solution anywhere in the user files.
Error 10002Security error: Security header is not valid
Make sure that Certificate or Signature in your PayPal payment method settings are correct. This is what usually causes this error message.