Error 0x8028005B

Value: -2144862117 | 0x8028005B | 2150105179

What does it mean ?

TPM_E_TOOMANYCONTEXTS  
Too many contexts held by the TPM.
Value: 91 | 0x005B | 0b0000000001011011

Where does it come from ?

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

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