Mapping of Source field and infoject in BI

Hi to all,

Can any one suggest me any solution on below example.

Example: We are mapping FIELD1 from Source to INFO1 infooject in BI.

But the Source FIELD1 have Data type of length 13 and decimal 2 and INFO1 infoobject in BI have Data type of length 17 and decimal 2.

Do to this field length we getting minute mismatch in BI for infoobject INFO1.

Is there any possiblity, that we can change FIELD1 Data type length from 13 to lenght 17 , at Datasource level at BI.

or is there any soultion for this issue.

Regards

Pavneet Rana