Our company has designed a board with reference to imx8mp EVK, and the memory has been changed to Samsung's K4FBE3D4HM-MGCJ LPDDR4 SDRAM VFBGA200 (4G). Currently, 50 boards have been produced. 45 boards can be burned and written. 5 boards cannot be burned and written. When using a memory testing tool to calibrate a board that cannot be burned, the following error appears in the attachment. May I ask which part of the error this error is and how to resolve it. In addition, when running 5 chips to uboot, the following errors often occur。