The following error appears when uploading a catalog: Unable to determine type of content.

Correct the missing or incorrect information in the catalog file, then reattempt to upload the file. 

This error typically appears when field names in the CIF file are missing or incorrect.

To get a copy of supported field names, download the template CIF file.

CIF template files can be location both in Ariba Network and in SAP Ariba Buying.

SAP Ariba Buying and Invoicing
SAP Ariba Buying
SAP Business Network