problem with enabling Vref - HAL_SYSCFG_EnableVREFBUF() with custom bootloader

[Anand Ram]

hi ,

if i use HAL_SYSCFG_EnableVREFBUF() function is application software , custom bootloader jumping into appliction and application software doesnot work and stuck here at HAL_SYSCFG_EnableVREFBUF(), if this function is disabled, ASW is working fine.

Anybody has the same issue?