A500G can't wipe efs

hello z3x team can't wipe efs i am using 18.9

Quote:

Selected model: SM-A500G Selected port: COM234 SAMSUNG Mobile USB Serial Port Selected port speed: 115200 Searching ADB device... OK Reading phone info... Model: SM-A500G Android version: 4.4.4 Product code: SM-A500GZDDINU Phone version: A500GXXU1ANK2 PDA version: A500GXXU1ANL1 CSC version: A500GODD1ANK3 IMEI: 356320062691367 Phone S/N: RF8G11KJ4PV Checking Super user right... true Backuping MMCBLK... OK Writing data to phone... Exception: Access violation at address 028121A5 in module 'SamsungTool.exe'. Read of address 00000000

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