ORA-1693: max # extents 505 reached in lobsegment

Solve the following error in init.ora:

ORA-1693: max # extents 505 reached in lobsegment APPLSYS.SYS_LOB0000255319C00040$$

sqlplus system

select owner, table_name, column_name

from dba_lobs

where segment_name = 'SYS_LOB0000255319C00040$$';

OWNER TABLE_NAME COLUMN_NAME

------------ ------------------- ------------------------

APPLSYS WF_NOTIFICATION_OUT "USER_DATA"."TEXT_LOB"

alter table applsys.WF_NOTIFICATION_OUT

modify lob ("USER_DATA"."TEXT_LOB") (STORAGE (MAXEXTENTS UNLIMITED));