is it possible to migrate pending open change from source gerrit server to destination gerrit?

Getting below error :
Task: **Querying Gerrit ('*****') for active changes with hashtag 'copybara_id_2299CE23BC2B96B99CEC9CC04BD6B7BE_'**
java.lang.IllegalArgumentException:
at com.google.api.client.json.JsonParser.parseValue(JsonParser.java:889)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:382)
at com.google.api.client.json.JsonParser.parse(JsonParser.java:355)
at com.google.api.client.json.JsonObjectParser.parseAndClose(JsonObjectParser.java:87)
at com.google.api.client.http.HttpResponse.parseAs(HttpResponse.java:488)
at com.google.copybara.git.gerritapi.GerritApiTransportImpl.execute(GerritApiTransportImpl.java:112)
at com.google.copybara.git.gerritapi.GerritApiTransportImpl.get(GerritApiTransportImpl.java:66)
at com.google.copybara.git.gerritapi.GerritApi.getChanges(GerritApi.java:47)
at com.google.copybara.git.GerritDestination$GerritWriteHook.findActiveChange(GerritDestination.java:230)
at com.google.copybara.git.GerritDestination$GerritWriteHook.generateMessageInfo(GerritDestination.java:178)
at com.google.copybara.git.GitDestination$WriterImpl.write(GitDestination.java:504)
at com.google.copybara.WorkflowRunHelper$ChangeMigrator.doMigrate(WorkflowRunHelper.java:703)
at com.google.copybara.WorkflowRunHelper$ChangeMigrator.migrate(WorkflowRunHelper.java:402)
at com.google.copybara.WorkflowMode$2.run(WorkflowMode.java:176)
at com.google.copybara.Workflow.run(Workflow.java:279)
at com.google.copybara.MigrateCmd.run(MigrateCmd.java:82)
at com.google.copybara.MigrateCmd.run(MigrateCmd.java:60)
at com.google.copybara.Main.runInternal(Main.java:244)
at com.google.copybara.Main.run(Main.java:122)
at com.google.copybara.Main.main(Main.java:101)
Caused by: java.lang.IllegalArgumentException: expected primitive class, but got: java.util.List
at com.google.api.client.util.Data.parsePrimitiveValue(Data.java:457)
at com.google.api.client.json.JsonParser.parseValue(JsonParser.java:859)
... 19 more
ERROR: Unexpected error (please file a bug against copybara): (java.lang.IllegalArgumentException: )

Could someone please help.