Tag creation conflicts with Tag Maker plugin: com.atlassian.bitbucket.commit.NoSuchCommitException

2016-06-22 13:21:48,978 ERROR [http-nio-7990-exec-7] @1Q631BQx801x4269x0 19raqag 192.169.0.163 "GET /mvc/error500 HTTP/1.1" c.a.s.i.web.ErrorPageController There was an unhandled exception loading [/plugins/servlet/create-tag]
com.atlassian.bitbucket.commit.NoSuchCommitException: Commit 'undefined' does not exist in repository 'vestmarkone'.
        at com.atlassian.bitbucket.scm.git.command.GitCommandExitHandler.newNoSuchCommitException(GitCommandExitHandler.java:166) ~[na:na]
        at com.atlassian.bitbucket.scm.git.command.GitCommandExitHandler.evaluateStdErr(GitCommandExitHandler.java:66) ~[na:na]
        at com.atlassian.bitbucket.scm.git.command.GitCommandExitHandler.onError(GitCommandExitHandler.java:196) ~[na:na]
        at com.atlassian.bitbucket.scm.DefaultCommandExitHandler.onExit(DefaultCommandExitHandler.java:31) ~[bitbucket-spi-4.7.1.jar:na]
        at com.atlassian.bitbucket.scm.BaseCommand.callExitHandler(BaseCommand.java:138) ~[bitbucket-spi-4.7.1.jar:na]
        at com.atlassian.bitbucket.scm.BaseCommand$CommandFuture.internalGet(BaseCommand.java:252) ~[bitbucket-spi-4.7.1.jar:na]
        at com.atlassian.bitbucket.scm.BaseCommand$CommandFuture.get(BaseCommand.java:221) ~[bitbucket-spi-4.7.1.jar:na]
        at com.atlassian.bitbucket.scm.BaseCommand.call(BaseCommand.java:75) ~[bitbucket-spi-4.7.1.jar:na]
        at com.atlassian.stash.internal.commit.DefaultCommitService.getCommit(DefaultCommitService.java:301) ~[bitbucket-service-impl-4.7.1.jar:na]
        at com.atlassian.plugin.util.ContextClassLoaderSettingInvocationHandler.invoke(ContextClassLoaderSettingInvocationHandler.java:26) ~[atlassian-plugins-core-4.1.8.jar:na]
        at be.contribute.atlassian.servlet.CreateTagServlet.getChangeset(CreateTagServlet.java:122) ~[na:na]
        at be.contribute.atlassian.servlet.CreateTagServlet.doGet(CreateTagServlet.java:62) ~[na:na]
        at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) ~[na:na]
        at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) ~[na:na]
        at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) ~[na:na]
        at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) ~[na:na]
        at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) ~[na:na]
        at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:181) ~[sitemesh-2.5-atlassian-11.jar:na]
        at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:85) ~[sitemesh-2.5-atlassian-11.jar:na]
        at com.atlassian.plugin.connect.plugin.auth.scope.ApiScopingFilter.doFilter(ApiScopingFilter.java:81) ~[na:na]
        at com.atlassian.stash.internal.spring.security.StashAuthenticationFilter.doFilter(StashAuthenticationFilter.java:88) ~[classes/:na]
        at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doInsideSpringSecurityChain(BeforeLoginPluginAuthenticationFilter.java:109) ~[classes/:na]
        at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:75) ~[classes/:na]
        at com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:94) ~[atlassian-trusted-apps-core-4.2.0.jar:na]
        at com.atlassian.oauth.serviceprovider.internal.servlet.OAuthFilter.doFilter(OAuthFilter.java:67) ~[na:na]
        at com.atlassian.core.filters.ServletContextThreadLocalFilter.doFilter(ServletContextThreadLocalFilter.java:21) ~[atlassian-core-4.6.19.jar:na]
        at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31) ~[atlassian-core-4.6.19.jar:na]
        at com.atlassian.plugin.connect.plugin.auth.user.ThreeLeggedAuthFilter.doFilter(ThreeLeggedAuthFilter.java:109) ~[na:na]
        at com.atlassian.jwt.internal.servlet.JwtAuthFilter.doFilter(JwtAuthFilter.java:32) ~[na:na]
        at com.atlassian.analytics.client.filter.DefaultAnalyticsFilter.doFilter(DefaultAnalyticsFilter.java:38) ~[na:na]
        at com.atlassian.analytics.client.filter.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:39) ~[na:na]
        at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doBeforeBeforeLoginFilters(BeforeLoginPluginAuthenticationFilter.java:87) ~[classes/:na]
        at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:73) ~[classes/:na]
        at com.atlassian.stash.internal.request.DefaultRequestManager.doAsRequest(DefaultRequestManager.java:86) ~[bitbucket-service-impl-4.7.1.jar:na]
        at com.atlassian.stash.internal.hazelcast.ConfigurableWebFilter.doFilter(ConfigurableWebFilter.java:38) ~[classes/:na]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_66]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_66]
        ... 257 frames trimmed