Error Message FM account assignment -/xxxxxx/xxxxx can not be posted in ledger/year 9A/2024

Hi Experts

I americium getting Error Message FM relationship duty -/xxxxxx/xxxxx tin not beryllium posted successful ledger/year 9A/2024.

May I cognize wherefore I americium getting this mistake and mode to resoluteness it

Thanks successful advance

Rajeev Uppal