Buffer Table not up to date error while accessing Catalogs

Hello,

I am getting Buffer table not up-to-date error while accessing ARIBA Procurement Catalogs.

Initially, my Test system was pointing to Production Catalogs but now, when I changed the settings in "Define External Web Services" and pointed it to DEV Catalogs, it is failing with error: "Buffer Table not up-to-Date"

Refreshed the Buffer already but still error not fixed.

We already have the similar settings in other systems and there the connections are working fine

Please advise

Regards

Manish Agrawal