2checkout 2co account alt buy ejejcsingle entered error help href img info information link parameter product provided src target

the link provided by e-junkie:

a href="https://www.e-junkie.com/ecom/gb.php?i=52978&c=2co&cl=10223" target="ejejcsingle" ><img src="https://www.e-junkie.com/ej/x-click-butcc.gif" border="0" alt="Buy Now"/></a>

for my product on 2checkout does not work, but gives a "parameter error" on 2checkout. Can you help? It worked earlier.

That will only happen if the information you have entered about your 2CO account and product in E-junkie does not match the info you have in your 2CO account.