buildbot failure in on ofbizBranch18FrameworkPlugins

[buildbot]

The Buildbot has detected a new failure on builder ofbizBranch18FrameworkPlugins while building ofbiz-framework. Full details are available at:
    https://ci.apache.org/builders/ofbizBranch18FrameworkPlugins/builds/549

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

Buildslave for this Build: asf946_ubuntu

Build Reason: downstream
Build Source Stamp: [branch release18.12] 9aa4e6c662ec4fc6c1c7a833557d81d2ee2f285f
Blamelist: Jacques Le Roux <[hidden email]>

BUILD FAILED: failed shell_7

Sincerely,
 -The Buildbot