Error 0x8028004B

Value: -2144862133 | 0x8028004B | 2150105163

What does it mean ?

TPM_E_DELEGATE_LOCK  
The delegate administration is locked.
Value: 75 | 0x004B | 0b0000000001001011

Where does it come from ?

FACILITY_INK  
Microsoft Tablet PC
Value: 40 | 0x028 | 0b00101000

Other Errors for FACILITY_INK