My workflow worked well for months , but yesterday the workflow ran with error on KNIME Server (4.8.2 version server newly installed), Error message are:
ERROR Call Workflow (Table Based) 0:44:50: Execute failed: Errors loading workflow ‘WF_103_Output_Sonar’: Status: Error: WF_103_Output_Sonar 4 loaded with errors
Status: Error: WF_103_Output_Sonar 4
Status: Error: Sub Workflow 4:451
Status: Error: Node “Table Column to Variable” not available from extension “KNIME Core” (provided by “KNIME AG, Zurich, Switzerland”; plugin “org.knime.base” is installed)
ERROR Parallel Chunk End 0:33: Execute failed: Not all chunks finished - check individual chunk branches for details.
Today, the error is not appeared…
How can I take action to prevent a recurrence?
BTW: The workflow works in the product environment, So I can NOT reinstall KNIME Server without sufficient reason.
Thanks in advance.