Dragon's Crown graphical artifacts

Hello. So straight to business - i've been experiencing some weird graphic artifacts in Dragon's Crown like screen flickers for few frames and it seems like in the emulation log there's some kinda error:

U {PPU[0x1000000] Thread (main_thread) [0x00d0cd8c]} HLE TODO: Unimplemented syscall sys_ss_access_control_engine -> CELL_OK
U {PPU[0x1000000] Thread (main_thread) [0x00d0befc]} sysPrxForUser TODO: sys_prx_load_module_list(count=7, path_list=**0xd0100bfc, flags=0x0, pOpt=*0x0, id_list=*0xd0100bdc)

U {PPU[0x1000000] Thread (main_thread) [0x005b0510]} sysPrxForUser TODO: _sys_process_atexitspawn()
U {PPU[0x1000000] Thread (main_thread) [0x005b0564]} sysPrxForUser TODO: _sys_process_at_Exitspawn
U {PPU[0x1000000] Thread (main_thread) [0x00d093a0]} sys_prx TODO: _sys_prx_unload_module(id=0x23002b00, flags=0x0, pOpt=*0x0)

I also recorded a short video example:
https://vimeo.com/232150224

Thanks for all the help in advance.