Preload fails with "Dictionary does not contain key 'persona-model-id'"

root@vm1-robot:/opt# ./demo.sh preload DemoVNF DemoModule
Starting Xvfb on display :89 with res 1280x1024x24
Executing robot tests at log level TRACE
==============================================================================
OpenECOMP ETE
==============================================================================
OpenECOMP ETE.Robot
==============================================================================
OpenECOMP ETE.Robot.Testsuites
==============================================================================
OpenECOMP ETE.Robot.Testsuites.Demo :: Executes the VNF Orchestration Test ...
==============================================================================
Preload VNF                                                           | FAIL |
Dictionary does not contain key 'persona-model-id'.
------------------------------------------------------------------------------
OpenECOMP ETE.Robot.Testsuites.Demo :: Executes the VNF Orchestrat... | FAIL |
1 critical test, 0 passed, 1 failed
1 test total, 0 passed, 1 failed
==============================================================================
OpenECOMP ETE.Robot.Testsuites                                        | FAIL |
1 critical test, 0 passed, 1 failed
1 test total, 0 passed, 1 failed
==============================================================================
OpenECOMP ETE.Robot                                                   | FAIL |
1 critical test, 0 passed, 1 failed
1 test total, 0 passed, 1 failed
==============================================================================
OpenECOMP ETE                                                         | FAIL |
1 critical test, 0 passed, 1 failed
1 test total, 0 passed, 1 failed
==============================================================================
Output:  /share/logs/demo/PreloadDemo/output.xml
Log:     /share/logs/demo/PreloadDemo/log.html
Report:  /share/logs/demo/PreloadDemo/report.html