SAP Message 1E124 - No number range interval is assigned to bank area & for the acct. number

Diagnosis No number range interval 01 has been assigned to the bank area. Procedure If you are using the BCA standard setting, create a number rangeinterval 01 in Customizing in the section 'Maintain number rangesexternal account numbers'. BCA only uses number range interval 01 forthe external account numbers.

301085	Maintain number range docu f.external account number