"Enter a value less than or equal to 8 characters for the account (CE-660079)."

Error:

error while uploading the bank account using spreadsheet.

"Enter a value less than or equal to 8 characters for the account (CE-660079)."

Solution:

Search with: Manage Cash Management Profile Options 

Please set country specified profile option at site level.

CE_DISABLE_BANK_VAL profile option to Yes at site or user level who trying to modify bank account.