buildbot failure in on ofbizBranch16

[buildbot]

The Buildbot has detected a new failure on builder ofbizBranch16 while building . Full details are available at:
    https://ci.apache.org/builders/ofbizBranch16/builds/139

Buildbot URL: https://ci.apache.org/

Buildslave for this Build: lares_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'onOfbizR16Commit' triggered this build
Build Source Stamp: [branch ofbiz/branches/release16.11] 1851165
Blamelist: jleroux

BUILD FAILED: failed shell_2

Sincerely,
 -The Buildbot