Delphi Error – E2027 Duplicate tag value

Delphi 23 Views 1 Min Read

Delphi Compiler Error

E2027 Duplicate tag value

Reason for the Error & Solution

This error message is given when a constant appears more than once in the declaration of a variant record. 

program Produce;
type
  VariantRecord = record
    case Integer of
    0  (IntField: Integer);
    0  (RealField: Real);     (*<-- Error message here*)
  end;

begin
end.
	program Solve;
type
  VariantRecord = record
    case Integer of
    0  (IntField: Integer);
    1 (RealField: Real);
  end;

begin
end.
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