When external tables and external dictionaries are defined in AQL code or in imported modules, the Text Analytics run configuration allows them to be mapped to appropriate files before you run the extractor over a data collection.
For any external artifacts that are defined as not being allowed to be empty, a red asterisk is marked against them if files are not mapped to them. The Run is disabled for such configurations. When files are assigned to such artifacts, the red asterisk is replaced by a black asterisk. The Run is enabled after all of these artifacts are assigned a file.
The External Tables and External Dictionaries tabs are not relevant to non-modular Text Analytics projects and are disabled when such projects are selected in the Main tab of the Run configuration.