003571: Certain rows set to NULL due to error while evaluating Python expression: Cannot be evaluated to value.


A failure occurred when attempting to write a calculated value into the target field. This may occur if the value type is incompatible with the target field type. For example, the Python code returned a string value of A, but the target field is of type long.

A null value will be stored in the target field for that row.


Review the target field and identify records with null values.