When applying 17525552, I get error "index POS_SUPPLIER_SEARCH_INDEX does not exist"

@/u01/app/applmgr/UPGD/apps/apps_st/appl/pos/12

I'm on EBS 12.1.3. All pre-reqs have been checked.

When I apply patch 17525552, I get this error:

sqlplus -s APPS/***** @/u01/app/applmgr/UPGD/apps/apps_st/appl/pos/12.0.0/patch/115/sql/POS_SUPPLIER_SEARCH_INDEX.sql
Connected.
DECLARE
*
ERROR at line 1:
ORA-20000: possearchindex.sql(500): ORA-20000: Exception at
POS_SUPPLIER_SEARCH_INDEX_PKG.create_index(1800): ORA-20000: Exception at
POS_SUPPLIER_SEARCH_INDEX_PKG.create_index(1800): ORA-29855: error occurred in
the execution of ODCIINDEXCREATE routine
ORA-20000: Oracle Text error:
DRG-10502: index POS_SUPPLIER_SEARCH_INDEX does not exist
DRG-11135: feature not generally available
ORA-06512: at line 57