Maybe the MT4 bridge expects a 4 byte value which is enough to store 8 digits, whereas for 10 digits you need an 8 byte value.
MT4 account value is 8 bytes (long).
https://docs.mql4.com/constants/environment_state/accountinformationhttps://docs.mql4.com/basis/types/integer/integertypesThus "25400000412" could be a valid account number.
Last edited by pascalx; 11/05/17 23:48.