Date format turns into number from "dd/mm/yy" when creating a report on April 2020 in combination with QlikView 12.50.
Environment
Resolution
The root cause of this issue is due to a product defect on QlikView 12.50 which has been fixed on QlikView 12.50 SR2.
Information provided on this defect is given as is at the time of documenting. For up to date information, please review the most recent Release Notes, or contact support at support.qlik.com with the ID QV-20513 for reference.
Fix Version:
QlikView 12.50 SR2
Cause
Product Defect ID: QV-20513