11.5..9 : When I install 7429271 PL I got error " You must first apply the corresponding US patch"

Hi,
When I install 7429271 PL I got error " You must first apply the corresponding US patch"

Problem Description
---------------------------------------------------
Current target    release is  11.5.9
 Patch 7429271:PL is a NLS patch.

 You must first apply the corresponding US patch
 for the NLS patch(es) listed above.

AutoPatch error:
--------
adppdepIsPatchApplied() returned FALSE


But corresponding US patch is installed

Thank you.