different behavior 8.4.14 - 8.5.15

[cybsistemas]

SET @saldo_anterior:=0.00;
SELECT cuentas.*,
@saldo_anterior:=@saldo_anterior+haber-debe AS Saldo FROM cuentas


This statement gives error message in MyDac 8.5.15

[ViktorV]

Thank you for the information. We have reproduced the problem and investigation is in progress. We will inform you when we have any results.