Error message Invalid filter-parameter name format when executing task

Hello,

When i run my process, i passed the first task normaly, but when i want to run the second task (click on run button), i have an error message in the portal : "the application has encountered an error", and in the engine log :

2017-12-19 14:12:25.239 +0100 GRAVE: org.bonitasoft.web.rest.server.api.resource.CommonResource org.bonitasoft.engine.exception.BonitaRuntimeException: USERNAME=walter.bates | java.lang.IllegalArgumentException: Invalid filter-parameter name format
org.bonitasoft.web.toolkit.client.common.exception.api.APIException: org.bonitasoft.engine.exception.BonitaRuntimeException: USERNAME=walter.bates | java.lang.IllegalArgumentException: Invalid filter-parameter name format
at org.bonitasoft.web.rest.server.api.form.FormMappingResource.searchFormMapping(FormMappingResource.java:52)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.restlet.resource.ServerResource.doHandle(ServerResource.java:511)
at org.restlet.resource.ServerResource.get(ServerResource.java:692)
at org.restlet.resource.ServerResource.doHandle(ServerResource.java:439)
at org.restlet.resource.ServerResource.doNegotiatedHandle(ServerResource.java:666)
at org.restlet.resource.ServerResource.doConditionalHandle(ServerResource.java:348)
at org.restlet.resource.ServerResource.handle(ServerResource.java:1020)
at org.restlet.resource.Finder.handle(Finder.java:236)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.routing.Router.doHandle(Router.java:422)
at org.restlet.routing.Router.handle(Router.java:641)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.engine.application.StatusFilter.doHandle(StatusFilter.java:140)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.engine.CompositeHelper.handle(CompositeHelper.java:202)
at org.restlet.engine.application.ApplicationHelper.handle(ApplicationHelper.java:77)
at org.restlet.Application.handle(Application.java:385)
at org.bonitasoft.web.rest.server.BonitaRestletApplication.handle(BonitaRestletApplication.java:179)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.routing.Router.doHandle(Router.java:422)
at org.restlet.routing.Router.handle(Router.java:641)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.routing.Router.doHandle(Router.java:422)
at org.restlet.routing.Router.handle(Router.java:641)
at org.restlet.routing.Filter.doHandle(Filter.java:150)
at org.restlet.routing.Filter.handle(Filter.java:197)
at org.restlet.engine.CompositeHelper.handle(CompositeHelper.java:202)
at org.restlet.Component.handle(Component.java:408)
at org.restlet.Server.handle(Server.java:507)
at org.restlet.engine.connector.ServerHelper.handle(ServerHelper.java:63)
at org.restlet.engine.adapter.HttpServerHelper.handle(HttpServerHelper.java:143)
at org.restlet.ext.servlet.ServerServlet.service(ServerServlet.java:1117)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.bonitasoft.console.common.server.login.filter.AbstractAuthorizationFilter.doFilter(AbstractAuthorizationFilter.java:61)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.bonitasoft.console.common.server.login.filter.AbstractAuthorizationFilter.doFilter(AbstractAuthorizationFilter.java:61)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.bonitasoft.console.common.server.login.filter.NoCacheFilter.doFilter(NoCacheFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.bonitasoft.engine.exception.BonitaRuntimeException: USERNAME=walter.bates | java.lang.IllegalArgumentException: Invalid filter-parameter name format
at org.bonitasoft.engine.api.impl.ServerAPIImpl.wrapThrowable(ServerAPIImpl.java:148)
at com.bonitasoft.engine.api.impl.ServerAPIExt.wrapThrowable(ServerAPIExt.java:41)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeMethod(ServerAPIImpl.java:136)
at org.bonitasoft.engine.api.impl.ClientInterceptor.invoke(ClientInterceptor.java:86)
at com.sun.proxy.$Proxy134.searchFormMappings(Unknown Source)
at org.bonitasoft.web.rest.server.api.form.FormMappingResource.searchFormMapping(FormMappingResource.java:46)
... 79 more
Caused by: java.lang.IllegalArgumentException: Invalid filter-parameter name format
at org.hibernate.engine.spi.LoadQueryInfluencers.parseFilterParameterName(LoadQueryInfluencers.java:161)
at org.hibernate.engine.spi.QueryParameters.processFilters(QueryParameters.java:506)
at org.hibernate.engine.spi.QueryParameters.processFilters(QueryParameters.java:481)
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1850)
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1839)
at org.hibernate.loader.Loader.doQuery(Loader.java:910)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:355)
at org.hibernate.loader.Loader.doList(Loader.java:2554)
at org.hibernate.loader.Loader.doList(Loader.java:2540)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2370)
at org.hibernate.loader.Loader.list(Loader.java:2365)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:497)
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:387)
at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:236)
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1300)
at org.hibernate.internal.QueryImpl.list(QueryImpl.java:103)
at org.bonitasoft.engine.persistence.AbstractHibernatePersistenceService.selectList(AbstractHibernatePersistenceService.java:481)
at org.bonitasoft.engine.persistence.AbstractDBPersistenceService.getNumberOfEntities(AbstractDBPersistenceService.java:142)
at org.bonitasoft.engine.persistence.AbstractDBPersistenceService.getNumberOfEntities(AbstractDBPersistenceService.java:127)
at org.bonitasoft.engine.core.form.impl.FormMappingServiceImpl.getNumberOfFormMappings(FormMappingServiceImpl.java:360)
at org.bonitasoft.engine.search.form.SearchFormMappings.executeCount(SearchFormMappings.java:48)
at org.bonitasoft.engine.search.AbstractSearchEntity.execute(AbstractSearchEntity.java:101)
at org.bonitasoft.engine.api.impl.ProcessConfigurationAPIImpl.searchFormMappings(ProcessConfigurationAPIImpl.java:59)
at org.bonitasoft.engine.api.impl.ProcessAPIImpl.searchFormMappings(ProcessAPIImpl.java:5995)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeAPI(ServerAPIImpl.java:462)
at org.bonitasoft.engine.api.impl.ServerAPIImpl$2.call(ServerAPIImpl.java:431)
at com.bonitasoft.engine.transaction.JTATransactionServiceExt.executeInTransaction(JTATransactionServiceExt.java:49)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeAPIInTransaction(ServerAPIImpl.java:438)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeAPI(ServerAPIImpl.java:272)
at org.bonitasoft.engine.api.impl.ServerAPIImpl.invokeMethod(ServerAPIImpl.java:124)