SAP Message R7B225 - Table &1 is locked by DDIC conversion - cannot be activated

Diagnosis
Table &V1& is being processed with the DDIC converter or such aconversion was terminated due to errors.
Conversion type: &V2& (&V3&)
Conversion status: &V4& ("R" means the job is currently running, "E"means the job was terminated with errors).

System Response
Table &V1& cannot be activated. Therefore, the corresponding BI objectand, if applicable, other BI objects that are dependent on the table,cannot be activated.

Procedure
If you are about to activate InfoObjects and you receive the query
"Do you want to convert the tables that have to be converted?"
or the
message "Schedule the table to be converted as backgroundprocessing"
then proceed as described in the message. You can use the menu to goback to Additions -> Database Tables -> Convert or -> Convert Allin the table conversion.
If the DDIC conversion is still running, wait until it is finished. Youcan see the conversion status in transaction SE14.
End the conversion of table &V1&, if possible, withtransaction SE14. After a termination or an error, theconversion is restarted at the termination point. Afterwards, you shouldbe able to activate the characteristic.
If the conversion cannot be continued without errors, delete the lockfor the table by deleting the job. Note: In this case, data willmost likely be lost, and you will have to subsequently reload data.
If the characteristic is still unable to be activated, delete thedatabase table with transaction SE14 or with theDB_DROP_TABLE function module. Then you definitely will have to reloaddata.

566454Activate characteristics - tables locked by DDIC conversion