SAP system Message: Internel error: Text environment could not be restored

Dear Basis,

I need your help..

While try to logon to SAP gui. I getting the error: SAP system Message: Internel error: " Text environment could not be restored"

OS: AIX.

DATABASE: ORACLE : 102_64

SAPGUI: Patch level 18

Thanks & Regards,

Varadharaji.S

SAP- BASIS