what will be the impact if i change the G/L accounts in APP(FBZP) Configura

Hi experts,

we have a small requirement regarding Changing the new G/L accounts in APP(FBZP) in the place of old G/l accounts. But if we change the G/L accounts what will be the impact? Like wher and how will the impact in reporting and other ares?

Kindlly just give your valuable feed back?

Thannk&Regards,

dudekula