Quartus

VHDL Type Declaration error at <location>: illegal constrained element in unconstrained array declaration


CAUSE: In a Type Declaration at the specified location in a VHDL Design File (.vhd), you used a constrained element type in an unconstrained array type. However, an element type in a unconstrained array type must be unconstrained.
ACTION: Change the element type so it is unconstrained, or change the array type so it is constrained.

See also:

Sections 3.2.1 and 4.1 of the IEEE Std 1076-1993 IEEE Standard VHDL Language Reference Manual

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