SAP Message SMOX3111 - &1: No mapping found for extract field &2 DOCUMENTATION DiagnosisThe specified field from the extract structure is not known to be usedfor mapping. The most likely reasons for this are:that you forgot to define a mapping from a BDOC segment field to thisextract structure field orthat you forgot to hide this field in OLTP and BW.ProcedureEither you specify a mapping between a BDOC segment field and thisextruct structure field or you hide it in OLTP and BW.Mapping can be done with the transaction BWA1> and selecting thebutton for Structure and field mapping>.You can hide it by using the transaction BWA1> and entering an 'A>' in the Selection>-row of the tabstrip ExtractStructure>.