PTC plugin 1.31 - generally works but suddenly we have observed a strange bug:

Multiple build jobs started about simultaneously (not sure is it important or not)

Time Elapsed 00:00:00.95
Success build fororg.jenkinsci.plugins.conditionalbuildstep.singlestep.SingleConditionalBuilder@e4f765
Change Log: http://ds-jenk2-1.biotronik.com:8080/job/NGMP.Direct.Components.Sequencer/943/changes
Build Log: http://ds-jenk2-1.biotronik.com:8080/job/NGMP.Direct.Components.Sequencer/943/console
Preparing to execute si projectinfo for /repository/CorporateMeasurementTechnologies/SWProduction/Components/Sequencer/Sequencer.pj
An API Exception was caught!
Authentication failed for TE_build_process on mks1.biotronik.de:7001
si projectinfo --user=TE_build_process --port=7001 --hostname=mks1.biotronik.de --project=/repository/CorporateMeasurementTechnologies/SWProduction/Components/Sequencer/Sequencer.pj – returned exit code 128
Retrying after 10 seconds
Change Log: http://-----.com:8080/job/NGMP.Direct.Components.Sequencer/943/changes
Build Log: http://-----.com:8080/job/NGMP.Direct.Components.Sequencer/943/console
Preparing to execute si projectinfo for /repository/CorporateMeasurementTechnologies/SWProduction/Components/Sequencer/Sequencer.pj
Preparing to execute si viewproject for #/repository/CorporateMeasurementTechnologies#s=SWProduction/SWProduction.pj#s=Components/Components.pj#s=Sequencer/Sequencer.pj
A SQL Exception was caught!
Table/View 'SCM_18987648_BDEE_4233_9A45_E1E0A4B3DE60' does not exist.
Retrying after 10 seconds
Build was aborted