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This is a known issue when upgrading to LabVIEW 2023 Q3. There were changes in the behavior of DVRs from one version to another. There was no code version change, so VIs coming from earlier versions are not forced to compile on load, and their generated code will have the old behavior. A mix of old and new VIs may cause this unexpected behavior. This issue can also occur when using Modbus VIs since they use DVRs internally.In order to workaround the issue you should recompile the LabVIEW code of the VIs causing the issue. To do this you need to narrow the source of the behavior and once you have identified the VIs throwing the error, you can recompile them by following one of these methods:
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