Thank you very much for the reply. I removed all the components connected to the SD_* pins. Few of those pins go to two connectors which is not connected to anything. But I still have the flashing issue.

But if I remove the 10K pull - up resistors connected to IO_2, IO_4, IO_25 AND IO_26 I can ...

I made a custom board with ESP32-U4WDH. I get the following error when I try to flash using VSCode. I use ESP-PROG to program it.
https://www.digikey.com/en/products/detail/espressif-systems/ESP-PROG/10259352

error.jpg

Schematic is shown below.
schematic.png
I have some resistors in my board ...

Hello,

Were you able to make this board? I have the same question.

Buddika