Text transformations use preferences for facilities such as lexer, stoplist, and filter. These preferences are data stores, so they can change over time. The preferences could change between the time that you build a model and apply the same model. Changes in the details of the preferences could alter the resulting indexes.
If you run the generated code for an activity that uses text transformations in a database where the preferences either do not exist or are different in content from the preferences in the database where you built the activity, the deployed mining task will be affected.
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