Steps to reproduce:

1. Open the script tool
2. Type:

     var domains = [];
     Solr.contentQuery("*:*", "odf-enumeration.Domain").forEach(domain => domains.push(domain));
     return Content.toGridFormat(["title", "code"], domains);

3. Execute the script
4. You get the following error (in a popup):

   UserManager not supported.
   javax.jcr.UnsupportedRepositoryOperationException: UserManager not supported.
       at org.apache.jackrabbit.core.security.simple.SimpleSecurityManager.getUserManager(SimpleSecurityManager.java:254)
       at org.apache.jackrabbit.core.SessionImpl.getUserManager(SessionImpl.java:706)
       at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
       at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
       at java.base/java.lang.reflect.Method.invoke(Method.java:566)
       at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:688)
       at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
       at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
       at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)
       at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
       at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
       at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)
       at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
       at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
       at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)
       at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
       at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
       at com.fasterxml.jackson.databind.ser.std.CollectionSerializer.serializeContents(CollectionSerializer.java:145)
       at com.fasterxml.jackson.databind.ser.std.CollectionSerializer.serialize(CollectionSerializer.java:107)
       at com.fasterxml.jackson.databind.ser.std.CollectionSerializer.serialize(CollectionSerializer.java:25)
       at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
       at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
       at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
       at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)
       at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)
       at com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:2655)
       at org.ametys.core.util.JSONUtils.convertObjectToJson(JSONUtils.java:211)
       at org.ametys.core.cocoon.JSonReader.generate(JSonReader.java:61)
       at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processReader(AbstractCachingProcessingPipeline.java:921)
       at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:475)
       at org.apache.cocoon.components.source.impl.SitemapSource.getInputStream(SitemapSource.java:267)
       at org.ametys.core.ui.dispatcher.DispatchGenerator._dispatching(DispatchGenerator.java:153)
       at org.ametys.core.ui.dispatcher.DispatchGenerator.generate(DispatchGenerator.java:92)
       at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:581)
       at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processXMLPipeline(AbstractCachingProcessingPipeline.java:301)
       at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:483)
       at org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:144)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
       at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:236)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:178)
       at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
       at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
       at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:236)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:178)
       at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
       at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
       at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:236)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:178)
       at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
       at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:118)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
       at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
       at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
       at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:236)
       at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:178)
       at org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:254)
       at org.apache.cocoon.Cocoon.process(Cocoon.java:699)
       at org.ametys.runtime.servlet.RuntimeServlet.service(RuntimeServlet.java:551)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
       at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
       at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
       at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
       at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
       at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
       at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
       at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1587)
       at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
       at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
       at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
       at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
       at java.base/java.lang.Thread.run(Thread.java:834)

Note that the same script without the explicit columns in the Content.toGridFormat works well.