tgsearch returns 500
https://textgridlab.org/1.0/tgsearch/info/textgrid:253t3.20/metadata?sid=[FONTANE-SESSIONID] returns @http Status 500 - org.apache.cxf.interceptor.Fault: Index: 0, Size: 0 type Exception report message org.apache.cxf.interceptor.Fault: Index: 0, Size: 0 description The server encountered an internal error that prevented it from fulfilling this request. exception java.lang.RuntimeException: org.apache.cxf.interceptor.Fault: Index: 0, Size: 0 org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:116) org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:336) org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:249) org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248) org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222) org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153) org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171) org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286) org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:211) javax.servlet.http.HttpServlet.service(HttpServlet.java:620) org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262) root cause@