BUILD FAILED
C:UsersnewProjectsSFDCAortasfdc-hwks-dev1srcbuild.xml:49: Failed to
submit request to https://eu11.salesforce.com/services/Soap/m/37.0/00D0Y000000Yc6u
for <my.user.name@email.com>.

Error: {http://soap.sforce.com/2006/04/metadata}
INVALID_OPERATION - INVALID_OPERATION: Too many files in zip

<?xml version="1.0" encoding="UTF-8"?>
<Package xmlns="http://soap.sforce.com/2006/04/metadata">
    <types>
        <members>*</members>
        <name>CustomObject</name>
    </types>

    <version>37.0</version>
</Package>

<target name="deployUnpackaged">
  <sf:deploy username="${sf.username}" password="${sf.password}" sessionId="${sf.sessionId}" serverurl="${sf.serverurl}" maxPoll="${sf.maxPoll}" deployRoot="./" rollbackOnError="true" testLevel="NoTestRun"/>
</target>