SAP Message R7236 - Schedule the table to be converted as background processing (->long text)

Diagnosis
Tables could not be activated because they must be converted.

System Response
The tables that must be converted are collected and can be convertedand activated with the background processing.

Procedure
Confirm this message.
You then get to the database utility of the ABAP/4 Dictionary. Here youwill see the highlighted text: Mass processing order: "Adjust" theorder is not assigned to a job yet.
Confirm the key Display more on the right next to this text.
You will now see a list of the tables, that must be converted. Mark all(or only a selection) and press the key Schedule highlighted.
In the following dialog box you can decide whether the conversion jobshould take place at once or at a certain point in time.
Using the Save key the job is scheduled for the backgroundprocessing.
Using the Job overview key or the menu path System -->Services --> Jobs --> Job overview you can monitor the status ofthe job and the job log.
By pressing 'Back again you return to the InfoObjectmaintenance.
Here, you must activate the affected InfoObjects again, but only afterthe conversion job has been successfully concluded.

104746InfoObjects cannot be activated because of a conversion.