Failed to read EXT_CSD !!! problem

Connection status: XHCI:HUB3:USB 2.00 High-Speed
Interface: UFI High-Speed
Serial number: 0011-8841-0676
Boot version: 1.04, FW version: 1.13 (Aug 19 2019 23:46:09)
Insertion test... Done.
Init bus...
VCC: 3.3 V, VCCQ: 1.8 V
Bus: 1 bit (SDR 4MHz)
Access mode: sector mode
Power supply: dual-voltage (1.70-1.95V, 2.7-3.6V)
Card/BGA: BGA (Discrete embedded) - High density MMC
Manufacturer ID: 0x90 (SK Hynix)
Product name: HBG4a2 (0x484247346132), rev: 0xA5, serial number: 0x42E798E1...

Failed to read EXT_CSD !!! problem