I have translated CUBA messages from EN to Norwegian but I have tried it without to. Same error.
2017-03-17 23:40:20.683 ERROR [http-nio-8080-exec-65/app/admin] com.haulmont.cuba.web.log.AppLog - Exception in com.haulmont.charts.web.gui.components.charts.amcharts.WebChart$CubaAmchartsSceneExt:
java.lang.IllegalArgumentException: No enum constant com.haulmont.charts.gui.amcharts.model.DayOfWeek.SØNDAG
at java.lang.Enum.valueOf(Enum.java:238)
at com.haulmont.charts.gui.amcharts.model.DayOfWeek.valueOf(DayOfWeek.java:10)
at com.haulmont.charts.web.gui.components.charts.amcharts.WebChart$CubaAmchartsSceneExt.setupSerialChartDefaults(WebChart.java:811)
at com.haulmont.charts.web.gui.components.charts.amcharts.WebChart$CubaAmchartsSceneExt.setupDefaults(WebChart.java:710)
at com.haulmont.charts.web.toolkit.ui.amcharts.CubaAmchartsScene.beforeClientResponse(CubaAmchartsScene.java:364)
2017-03-17 23:40:25.591 DEBUG [http-nio-8080-exec-32/app-core/admin] com.haulmont.cuba.core.app.RdbmsStore - loadList: metaClass=fleetmanager$Assignment, view=com.fleetmanager.entity.Assignment/assignment-browse, query=select e from fleetmanager$Assignment e, max=10000
2017-03-17 23:40:35.631 DEBUG [http-nio-8080-exec-53/app-core/admin] com.haulmont.cuba.core.app.RdbmsStore - loadList: metaClass=fleetmanager$Assignment, view=com.fleetmanager.entity.Assignment/assignment-browse, query=select e from fleetmanager$Assignment e, max=10000
2017-03-17 23:40:45.694 DEBUG [http-nio-8080-exec-55/app-core/admin] com.haulmont.cuba.core.app.RdbmsStore - loadList: metaClass=fleetmanager$Assignment, view=com.fleetmanager.entity.Assignment/assignment-browse, query=select e from fleetmanager$Assignment e, max=10000
2017-03-17 23:40:54.165 ERROR [http-nio-8080-exec-35/app/admin] com.haulmont.cuba.web.log.AppLog - Exception in com.haulmont.charts.web.gui.components.charts.amcharts.WebChart$CubaAmchartsSceneExt:
java.lang.IllegalArgumentException: No enum constant com.haulmont.charts.gui.amcharts.model.DayOfWeek.SØNDAG
at java.lang.Enum.valueOf(Enum.java:238)
at com.haulmont.charts.gui.amcharts.model.DayOfWeek.valueOf(DayOfWeek.java:10)
at com.haulmont.charts.web.gui.components.charts.amcharts.WebChart$CubaAmchartsSceneExt.setupSerialChartDefaults(WebChart.java:811)
at com.haulmont.charts.web.gui.components.charts.amcharts.WebChart$CubaAmchartsSceneExt.setupDefaults(WebChart.java:710)
at com.haulmont.charts.web.toolkit.ui.amcharts.CubaAmchartsScene.beforeClientResponse(CubaAmchartsScene.java:364)
java.lang.RuntimeException: com.haulmont.cuba.core.sys.javacl.compiler.CharSequenceCompilerException: Compilation failed. Causes:
Home.java:232: error: incompatible types: com.haulmont.charts.gui.amcharts.model.DatePeriod cannot be converted to java.lang.String
gantt.setPeriod(DatePeriod.HOURS);
^ Home.java:240: error: incompatible types: com.haulmont.charts.gui.amcharts.model.DatePeriod cannot be converted to java.lang.String
gantt.setPeriod(DatePeriod.DAYS);
^ Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
at com.haulmont.cuba.core.sys.javacl.JavaClassLoader.loadClass(JavaClassLoader.java:153) ~[cuba-global-6.4.0.jar:6.4.0]
at java.lang.ClassLoader.loadClass(ClassLoader.java:411) ~[na:1.8.0_91]
at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:677) ~[groovy-all-2.4.4.jar:2.4.4]
at com.haulmont.cuba.core.sys.AbstractScripting$CubaGroovyClassLoader.loadClass(AbstractScripting.java:460) ~[cuba-global-6.4.0.jar:6.4.0]
at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:545) ~[groovy-all-2.4.4.jar:2.4.4]
at com.haulmont.cuba.core.sys.AbstractScripting.loadClass(AbstractScripting.java:265) ~[cuba-global-6.4.0.jar:6.4.0]
at com.haulmont.cuba.gui.WindowManager.preloadMainScreenClass(WindowManager.java:447) ~[cuba-gui-6.4.0.jar:6.4.0]
at com.haulmont.cuba.gui.WindowManager.createWindow(WindowManager.java:395) ~[cuba-gui-6.4.0.jar:6.4.0]
at com.haulmont.cuba.gui.WindowManager.openWindow(WindowManager.java:591) ~[cuba-gui-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.WebWindowManager.openWindow(WebWindowManager.java:137) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.gui.WindowManager.openWindow(WindowManager.java:615) ~[cuba-gui-6.4.0.jar:6.4.0]
at com.haulmont.cuba.gui.components.WindowDelegate.openWindow(WindowDelegate.java:230) ~[cuba-gui-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.gui.WebWindow.openWindow(WebWindow.java:428) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.gui.components.AbstractFrame.openWindow(AbstractFrame.java:454) ~[cuba-gui-6.4.0.jar:6.4.0]
at com.fleetmanager.web.home.ExtAppMainWindow.ready(ExtAppMainWindow.java:11) ~[app-web-0.1-SNAPSHOT.jar:na]
at com.haulmont.cuba.gui.WindowManager.afterShowWindow(WindowManager.java:976) ~[cuba-gui-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.WebWindowManager.createTopLevelWindow(WebWindowManager.java:1521) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.App.createTopLevelWindow(App.java:307) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.DefaultApp.connectionStateChanged(DefaultApp.java:108) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.AbstractConnection.fireConnectionListeners(AbstractConnection.java:270) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.AbstractConnection.internalLogin(AbstractConnection.java:176) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.AbstractConnection.update(AbstractConnection.java:123) ~[cuba-web-6.4.0.jar:6.4.0]
at com.haulmont.cuba.web.DefaultConnection.login(DefaultConnection.java:60) ~[cuba-web-6.4.0.jar:6.4.0]
Caused by: com.haulmont.cuba.core.sys.javacl.compiler.CharSequenceCompilerException: Compilation failed. Causes:
Home.java:232: error: incompatible types: com.haulmont.charts.gui.amcharts.model.DatePeriod cannot be converted to java.lang.String
gantt.setPeriod(DatePeriod.HOURS);
^ Home.java:240: error: incompatible types: com.haulmont.charts.gui.amcharts.model.DatePeriod cannot be converted to java.lang.String
gantt.setPeriod(DatePeriod.DAYS);
^ Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
at com.haulmont.cuba.core.sys.javacl.compiler.CharSequenceCompiler.compile(CharSequenceCompiler.java:178) ~[cuba-global-6.4.0.jar:6.4.0]
at com.haulmont.cuba.core.sys.javacl.JavaClassLoader.loadClass(JavaClassLoader.java:140) ~[cuba-global-6.4.0.jar:6.4.0]
... 74 common frames omitted