Fatal error: Uncaught Error: Undefined constant "STDERR" in E:\phpProject\TEST\es\es_haiya_epr\scripts\test_paddleocr_vl_lang.php:50 Stack trace: #0 {main} thrown in E:\phpProject\TEST\es\es_haiya_epr\scripts\test_paddleocr_vl_lang.php on line 50