SAP Message AU257 - Currency field has an incorrect entry format: &

Diagnosis
An error occurred when you were copying the currency field fromthe transfer structure BALTD into the SAP-internal format. The currencyfield contains non-numerical characters.

System Response
The asset was not transferred.

Procedure
Please change the format of the entry in the currency field. A currencyfield can only contain the numbers 0 through 9, comma separators forthousands, a decimal place and a +/- sign. You should also enter thedecimal places. A debit sign can only be positioned at the end.