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During metadata import, column names that contain special characters are imported incorrectly. Special characters are converted to an underscore (_), which causes runtime errors when a mapping task runs.
If a mapping includes source tables or columns that have one or more spaces in their names, the spaces are converted to underscores (_). The associated mapping task will fail with the following error:
If you create a mapping that defines parameters for the source connection and source object and then select a specific connection for the associated mapping task, the
Sourcespage in mapping task wizard displays the following error message:
Workaround: You can ignore this error and continue.