ID:13783 VHDL error at <location>: <name> type is used but not declared

CAUSE: In a VHDL Design File (.vhd) at the specified location, you used the specified type. However, you did not declare the type in a Type Declaration, and the type is not a predefined type. To use a type, you must define the type or the type must be a predefined type.

ACTION: Replace the type with a previously defined or predefined type, or define the type in a Type Declaration.