Gustaff,
Right there! I did install ns_xmlrpc within <rootdir>/tcl/. I removed it and the error is gone. It seems ns_xmlrpc was overlapping /packages/xml-rpc
Best wishes
[20/Sep/2016:02:47:15][22190.b47d9b70][-conn:iurix:0-] Warning: /RPC2/ has no doc(title) set, fallback to instance_name.
...
<i4>4</i4></value></param><param><value><i4>44</i4></value></param></params></methodCall>} is deprecated. Use 'ns_http' instead!
[20/Sep/2016:02:47:20][22190.b51d9b70][-conn:iurix:1-] Notice: Running ad_proc ws_ndc.get_result...
[20/Sep/2016:02:47:20][22190.b51d9b70][-conn:iurix:1-] Error: xmlrpc_invoke: error in xmlrpc method REQUEST: ?xml version="1.0"?<methodCall><methodName>ix_ndc.get_result</methodName><params><param><value><string>ix-ndc</string></value></param><param><value><i4>414835</i4></value></param><param><value><string/></value></param><param><value><string/></value></param><param><value><i4>4</i4></value></param><param><value><i4>44</i4></value></param></params></methodCall> RESULT: ?xml version="1.0"?<methodResponse><fault><value><struct><member><name>faultCode</name><value><i4>1</i4></value></member><member><name>faultString</name><value><string>Email required</string></value></member></struct></value></fault></methodResponse>
Email required
while executing
"lars_blog_auth_for_xmlrpc -username $username -password $password"
(procedure "ix_ndc.get_result" line 4)
invoked from within