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Hello everybody,
maybe somebody can help me with the error message: an error occurred while processing the form. please try again. I have a sepa donation form on the site that redirects to a newsletter page. After submitting the form, the error message comes up. We have a php code that integrates API interface and passes data to our system. We also get the data into our system, but the user gets the error message and a redirect to the newsletter page does not work. My Custom Functions is the plugin that contains the PHP code.
I would be pleased about help.