i have been getting the following datacare error for quite awhile and would like to know if there is anything i can do about it. accpac's integrity check does not find any problems, i have viewed the table and cannot see anything wrong myself. any ideas ?

Checking flat file SADETAIL
*** '??ysis]????d?on ??'?'
errors in fields (264775)
*Fail*
Character field
'Customer number'invalid (0037)
*** No SADCHECK for this entry
*Fail*