db2 => CREATE INDEX I_Element_Value ON DB2ADMIN.LISTOFSTRING (lower(element_value), parent_prop_id, parent_id)

DB21034E  The command was processed as an SQL statement because it was not a valid Command Line Processor command.  During SQL processing it returned:
SQL0614N  The index or index extension "I_ELEMENT_VALUE" cannot be created or altered because the combined length of the specified columns is too long.
SQLSTATE=54008


db2 => select tbspace from syscat.tables where tabschema='DB2ADMIN' and tabname='LISTOFSTRING'

TBSPACE
----------------------------------------------------------------------------------------------------------------
USERSPACE1

  1 record(s) selected.


db2 => list tablespaces show detail

           Tablespaces for Current Database

 Tablespace ID                        = 2
 Name                                 = USERSPACE1
 Type                                 = Database managed space
 Contents                             = All permanent data. Large table space.
 State                                = 0x0000
   Detailed explanation:
     Normal
 Total pages                          = 13048608
 Useable pages                        = 13048576
 Used pages                           = 13047808
 Free pages                           = 768
 High water mark (pages)              = 13047808
 Page size (bytes)                    = 32768
 Extent size (pages)                  = 32
 Prefetch size (pages)                = 32
 Number of containers                 = 1
 Minimum recovery time                = 2021-04-08-11.18.03.000000