Error 0x80040E90

Value: -2147217776 | 0x80040E90 | 2147749520

What does it mean ?

DB_E_DROPRESTRICTED  
Column or constraint could not be dropped because it is referenced by a dependent view or constraint.
Value: 3728 | 0x0E90 | 0b0000111010010000

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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