Payment error: Security header is not valid
NeoGen
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Posted on
May-15-2018
05:09 PM
We just created a professional version of our website and PayPal was processing fine during development. We moved the site into a sandbox to work on a few issues and updates, and PayPal stopped processing. I figured it was due to the url change so did not worry too much about it. We transfer the site back to the regular url and now I am getting this error code?? Any ideas? The retail site we have is working just fine using the same API credentials as the pro-site. We have a PayPal Pro account. I noticed it was showing basic when I posted.
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