Caused by: info.magnolia.ui.api.action.ActionExecutionException: File extension couldn't be found.Caused by: info.magnolia.ui.api.action.ActionExecutionException: File extension couldn't be found. at info.magnolia.external.dam.bynder.app.action.SaveBynderAssetAction.checkFileExtension(SaveBynderAssetAction.java:227) ~[magnolia-external-dam-bynder-1.0.1-SNAPSHOT.jar:?] at info.magnolia.external.dam.bynder.app.action.SaveBynderAssetAction.execute(SaveBynderAssetAction.java:121) ~[magnolia-external-dam-bynder-1.0.1-SNAPSHOT.jar:?] at info.magnolia.ui.api.action.AbstractActionExecutor.execute(AbstractActionExecutor.java:62) ~[magnolia-ui-api-6.2.jar:?] at info.magnolia.ui.dialog.ActionExecution.execute(ActionExecution.java:73) ~[magnolia-ui-framework-6.2.jar:?]