https://community.developer.cybersource.com/t5/Integration-and-Testing/Sandbox-login-error/m-p/95820#M59129 <P>Hi,<BR /><BR />I have created a sandbox account via:&nbsp;<A href="https://developer.authorize.net/hello_world/sandbox.html" target="_blank" rel="noopener">https://developer.authorize.net/hello_world/sandbox.html</A>&nbsp;and the account was created successfully, I got the credinitals on my email. Now when I try to login to&nbsp;<A href="https://logintest.authorize.net" target="_blank" rel="noopener">https://logintest.authorize.net</A>&nbsp;I get this error<BR />"<SPAN>We encountered an error. Please try again. If this error continues, contact Merchant Support."</SPAN></P><DIV class=""><DIV class="">&nbsp;</DIV></DIV><P>Is there something I am doing wrong here?<BR />Thanks!<BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="auth-error.png" style="width: 815px;"><img src="https://community.developer.cybersource.com/t5/image/serverpage/image-id/2718i890AEDDF926CBBDA/image-size/large/is-moderation-mode/true?v=v2&amp;px=999" role="button" title="auth-error.png" alt="auth-error.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">auth-error.png</span></span></P><DIV class="">&nbsp;</DIV><P>&nbsp;</P> Tue, 18 Aug 2026 10:04:33 GMT maghrabyjr 2026-08-18T10:04:33Z https://community.developer.cybersource.com/t5/Integration-and-Testing/Sandbox-login-error/m-p/95820#M59129 <P>Hi,<BR /><BR />I have created a sandbox account via:&nbsp;<A href="https://developer.authorize.net/hello_world/sandbox.html" target="_blank" rel="noopener">https://developer.authorize.net/hello_world/sandbox.html</A>&nbsp;and the account was created successfully, I got the credinitals on my email. Now when I try to login to&nbsp;<A href="https://logintest.authorize.net" target="_blank" rel="noopener">https://logintest.authorize.net</A>&nbsp;I get this error<BR />"<SPAN>We encountered an error. Please try again. If this error continues, contact Merchant Support."</SPAN></P><DIV class=""><DIV class="">&nbsp;</DIV></DIV><P>Is there something I am doing wrong here?<BR />Thanks!<BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="auth-error.png" style="width: 815px;"><img src="https://community.developer.cybersource.com/t5/image/serverpage/image-id/2718i890AEDDF926CBBDA/image-size/large/is-moderation-mode/true?v=v2&amp;px=999" role="button" title="auth-error.png" alt="auth-error.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">auth-error.png</span></span></P><DIV class="">&nbsp;</DIV><P>&nbsp;</P> Tue, 18 Aug 2026 10:04:33 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/Sandbox-login-error/m-p/95820#M59129 maghrabyjr 2026-08-18T10:04:33Z