Hello,
When calling the following xml file via curl, a Violation of encoding rules error message is generated.
I can therefore not input custom fields data via the soap api. Other fields are OK (ie a request without custom fields).

xml file including the request:

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"><soap:Body>
<mc_issue_add xmlns="http://mysite.fr/api/soap/mantisconnect/"><username>Myuser</username><password>Mypassword'</password>
<issue>
<project><id>12</id></project>
<description>log:savedLogs
 Mydescription</description>
<summary>Mysummary</summary>
<custom_fields><item><field><id>46</id></field><value><item>Myitem</item></value></item></custom_fields>
</issue>
</mc_issue_add></soap:Body></soap:Envelope>