Knime 4.5 python scripts (Labs) error

@kengdeb it is difficult to judge from the screenshot. You might want to try a conda environment propagation with a fresh Miniconda installation and a test workflow like:

Then you could try and do a restart with a clean option und the knime.ini once. Also a fresh installation of knime might help.

Then you might want to provide us with a log file on debug level and information about the system.