Binary incompatible Crowd version causing NoSuchMethodErrors

Could not execute action [StudioWelcome]:com.atlassian.crowd.integration.http.HttpAuthenticatorFactory.getHttpAuthenticator()Lcom/atlassian/crowd/integration/http/HttpAuthenticatorImpl;<p><small><small><pre>java.lang.NoSuchMethodError: com.atlassian.crowd.integration.http.HttpAuthenticatorFactory.getHttpAuthenticator()Lcom/atlassian/crowd/integration/http/HttpAuthenticatorImpl;
at com.atlassian.agmp.integration.jira.api.impl.AuthenticationServiceImpl$1.run(AuthenticationServiceImpl.java:75)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at com.atlassian.plugin.util.ContextClassLoaderSwitchingUtil.runInContext(ContextClassLoaderSwitchingUtil.java:57)
at com.atlassian.plugin.util.ContextClassLoaderSwitchingUtil.runInContext(ContextClassLoaderSwitchingUtil.java:28)
at com.atlassian.agmp.integration.jira.api.impl.AuthenticationServiceImpl.getHttpAuthenticator(AuthenticationServiceImpl.java:71)
at com.atlassian.agmp.integration.jira.api.impl.AuthenticationServiceImpl.setAuthenticatedUser(AuthenticationServiceImpl.java:48)
at com.atlassian.agmp.integration.jira.action.StudioWelcome.doExecute(StudioWelcome.java:130)
at webwork.action.ActionSupport.execute(ActionSupport.java:165)
at com.atlassian.jira.action.JiraActionSupport.execute(JiraActionSupport.java:74)
at webwork.interceptor.DefaultInterceptorChain.proceed(DefaultInterceptorChain.java:39)
at webwork.interceptor.NestedInterceptorChain.proceed(NestedInterceptorChain.java:31)
at webwork.interceptor.ChainedInterceptor.intercept(ChainedInterceptor.java:16)
at webwork.interceptor.DefaultInterceptorChain.proceed(DefaultInterceptorChain.java:35)
at webwork.dispatcher.GenericDispatcher.executeAction(GenericDispatcher.java:205)
at webwork.dispatcher.GenericDispatcher.executeAction(GenericDispatcher.java:143)
at com.atlassian.jira.web.dispatcher.JiraWebworkActionDispatcher.service(JiraWebworkActionDispatcher.java:151)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.atlassian.jira.web.filters.JiraLastFilter.doFilter(JiraLastFilter.java:81)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:25)
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
at com.atlassian.agmp.integration.jira.ReprovisionConfigFilter.doFilter(ReprovisionConfigFilter.java:85)
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
at com.atlassian.agmp.gdata.servlet.GDataServiceErrorServletFilter.doFilter(GDataServiceErrorServletFilter.java:43)
at