10000234 
Message
In “Amount (FC)” “From” field, enter valid currency
Diagnosis
In the Export Transactions to SAP Business One window, in the Amount (FC) From field, you have attempted to enter a currency that is not defined in SAP Business One.
Procedure
To define a currency:
Choose
Administration 
Setup Financials Currencies 
.In the Currencies - Setup window, define a new currency by filling in all the fields in a new row.