In Python Edit Variable node, I am getting error on execution in local.
Below are my knime logs
2020-11-17 11:58:48,429 : DEBUG : KNIME-Worker-16-Python Edit Variable 0:1967:0:1951 : : Node : Python Edit Variable : 0:1967:0:1951 : reset
2020-11-17 11:58:48,429 : ERROR : KNIME-Worker-16-Python Edit Variable 0:1967:0:1951 : : Node : Python Edit Variable : 0:1967:0:1951 : Execute failed: An error occurred during serialization. See log for errors.
org.knime.python2.extensions.serializationlibrary.SerializationException: An error occurred during serialization. See log for errors.
at org.knime.python2.serde.flatbuffers.Flatbuffers.tableToBytes(Flatbuffers.java:148)
at org.knime.python2.kernel.PythonKernel.flowVariablesToBytes(PythonKernel.java:727)
at org.knime.python2.kernel.PythonKernel.putFlowVariables(PythonKernel.java:674)
at org.knime.python2.nodes.variables.PythonVariablesNodeModel.execute(PythonVariablesNodeModel.java:89)
at org.knime.core.node.NodeModel.executeModel(NodeModel.java:576)
at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1236)
at org.knime.core.node.Node.execute(Node.java:1016)
at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:558)
at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95)
at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201)
at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117)
at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334)
at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123)
at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246)
Caused by: org.knime.python2.kernel.PythonIOException: Requested string value from cell with type: STRING
at org.knime.python2.util.PythonUtils$Misc.executeCancelable(PythonUtils.java:297)
at org.knime.python2.serde.flatbuffers.Flatbuffers.tableToBytes(Flatbuffers.java:145)
… 16 more
Caused by: java.lang.IllegalStateException: Requested string value from cell with type: STRING
at org.knime.python2.extensions.serializationlibrary.interfaces.impl.CellImpl.getStringValue(CellImpl.java:489)
at org.knime.python2.serde.flatbuffers.inserters.StringInserter.put(StringInserter.java:87)
at org.knime.python2.serde.flatbuffers.Flatbuffers.tableToBytesInternal(Flatbuffers.java:264)
at org.knime.python2.serde.flatbuffers.Flatbuffers.lambda$0(Flatbuffers.java:145)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)2020-11-17 11:58:48,429 : DEBUG : KNIME-Worker-16-Python Edit Variable 0:1967:0:1951 : : Node : Python Edit Variable : 0:1967:0:1951 : reset
2020-11-17 11:58:48,429 : ERROR : KNIME-Worker-16-Python Edit Variable 0:1967:0:1951 : : Node : Python Edit Variable : 0:1967:0:1951 : Execute failed: An error occurred during serialization. See log for errors.
org.knime.python2.extensions.serializationlibrary.SerializationException: An error occurred during serialization. See log for errors.
at org.knime.python2.serde.flatbuffers.Flatbuffers.tableToBytes(Flatbuffers.java:148)
at org.knime.python2.kernel.PythonKernel.flowVariablesToBytes(PythonKernel.java:727)
at org.knime.python2.kernel.PythonKernel.putFlowVariables(PythonKernel.java:674)
at org.knime.python2.nodes.variables.PythonVariablesNodeModel.execute(PythonVariablesNodeModel.java:89)
at org.knime.core.node.NodeModel.executeModel(NodeModel.java:576)
at org.knime.core.node.Node.invokeFullyNodeModelExecute(Node.java:1236)
at org.knime.core.node.Node.execute(Node.java:1016)
at org.knime.core.node.workflow.NativeNodeContainer.performExecuteNode(NativeNodeContainer.java:558)
at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:95)
at org.knime.core.node.workflow.NodeExecutionJob.internalRun(NodeExecutionJob.java:201)
at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:117)
at org.knime.core.util.ThreadUtils$RunnableWithContextImpl.runWithContext(ThreadUtils.java:334)
at org.knime.core.util.ThreadUtils$RunnableWithContext.run(ThreadUtils.java:210)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:123)
at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:246)
Caused by: org.knime.python2.kernel.PythonIOException: Requested string value from cell with type: STRING
at org.knime.python2.util.PythonUtils$Misc.executeCancelable(PythonUtils.java:297)
at org.knime.python2.serde.flatbuffers.Flatbuffers.tableToBytes(Flatbuffers.java:145)
… 16 more
Caused by: java.lang.IllegalStateException: Requested string value from cell with type: STRING
at org.knime.python2.extensions.serializationlibrary.interfaces.impl.CellImpl.getStringValue(CellImpl.java:489)
at org.knime.python2.serde.flatbuffers.inserters.StringInserter.put(StringInserter.java:87)
at org.knime.python2.serde.flatbuffers.Flatbuffers.tableToBytesInternal(Flatbuffers.java:264)
at org.knime.python2.serde.flatbuffers.Flatbuffers.lambda$0(Flatbuffers.java:145)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Below is my python configuration
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