Error 0x80280800

Value: -2144860160 | 0x80280800 | 2150107136

What does it mean ?

TPM_E_RETRY  
The TPM is too busy to respond to the command immediately, but the command could be resubmitted at a later time.
Value: 2048 | 0x0800 | 0b0000100000000000

Where does it come from ?

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

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