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Editorial Team
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Asked: 2026-06-09T05:50:47+00:00

I have a page that calls a php script. On MAMP everything works fine

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I have a page that calls a php script. On MAMP everything works fine but when I upload it to a server I get the following error:

Call Request failed! Status code: 4000
Reason - Caught an HttpRequestValidationException due to some bad characters in the request. Make sure your post request is encoded as xml, preferable as UTF-8 ('Content-Type: text/xml; charset=utf-8'). Exception: A potentially dangerous Request.Form value was detected from the client (<?xml version="..."utf-8"?> <uclassify xmlns="ht...").

Has anyone seen anything like that?

you can check it yourself here just place a word like php or ios

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1 Answer

  1. Editorial Team

    It looks like your server is validating based on the content-type header. It seems to want text/xml, whereas you are sending application/x-www-form-urlencoded (which is the default for $.ajax).

    Try explicitly setting the content type to text/xml in your $.ajax call. (reference)

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