Not able to get CI details with SDP API in latest version

Not able to get CI details with SDP API in latest version

I use below xml template and sent request by using SDP API. But it reports SQL Syntax error. (it worked in previous version)

xml = '''
<API>
<citype>
<name>Servers</name>
  <returnFields>
  <name>CI Name</name>
  </returnFields>
</citype>
</API>
        '''

{"API":{"version":"1.0","response":{"operation":{"name":"read","result":{"statuscode":"3001","status":"Unknown error.","message":"SQL Syntax Error : Some part of your SQL statement is nested too deeply. Rewrite the query or break it up into smaller queries."}}}}}

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