I run into this problem virtually every time I update wp-Ecommerce or the OCCP plugin. Here is the quick fix I preformed today, which hopefully will help others.
Navigate into the Offline Credit Card Processing plugin folder and open up offline-credit-card.php
On line 271 and 324 change:
if( wpsc_get_minor_version() >= '3.8.8' )
if( wpsc_get_minor_version() >= '3.8.1' )
Save your changes and the “View card details” link should again be visible with each sale.