https://community.appian.com/discussions/f/new-to-appian/40225/login-unsuccessful-exception-on-appian-locustHi, I am new to Appian-Locust , I have installed Appian Locust, executed a login script for Appian URL and I am getting this exception &quot; Login unsuccessful, no multipart cookie found, only found &lt;RequestsCookieJar[&lt;Cookie JSESSIONID....&quot;. I checkeden-USTelligent Community 12https://community.appian.com/thread/153745?ContentTypeID=1Thu, 26 Feb 2026 06:18:47 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:7bc5f52c-7316-473c-9280-64bd02600ebcHarsha Sharma<p>As per their <a href="https://appian-locust.readthedocs.io/en/stable/quick_start.html#connection-authentication-issues">documentation </a>if you are seeing this error then to resolve it -&nbsp;</p> <ul class="simple"> <li> <p>Verify username and password in<span>&nbsp;</span><code class="docutils literal notranslate"><span class="pre">auth</span></code><span>&nbsp;</span>are correct for your Appian site</p> </li> <li> <p>Verify the user has appropriate permissions to access the site, try in a browser</p> </li> </ul><div style="clear:both;"></div>