org.codehaus.jettison.json.JSONException: JSONObject["gross"] not found.
	at org.codehaus.jettison.json.JSONObject.get(JSONObject.java:360)
	at org.codehaus.jettison.json.JSONObject.getDouble(JSONObject.java:399)
	at org.openbravo.retail.autobom.hooks.preOrderLoaderHook.exec(preOrderLoaderHook.java:27)
	at org.openbravo.retail.autobom.hooks.preOrderLoaderHook$Proxy$_$$_WeldClientProxy.exec(Unknown Source)
	at org.openbravo.retail.posterminal.OrderLoader.executeOrderLoaderPreProcessHook(OrderLoader.java:727)
	at org.openbravo.retail.posterminal.OrderLoader.saveRecord(OrderLoader.java:290)
	at org.openbravo.mobile.core.process.DataSynchronizationProcess.saveRecord(DataSynchronizationProcess.java:201)
	at org.openbravo.mobile.core.process.DataSynchronizationProcess.exec(DataSynchronizationProcess.java:156)
	at org.openbravo.mobile.core.process.DataSynchronizationProcess.exec(DataSynchronizationProcess.java:88)
	at org.openbravo.mobile.core.process.MobileImportEntryProcessorRunnable.processEntry(MobileImportEntryProcessorRunnable.java:54)
	at org.openbravo.retail.posterminal.importprocess.OrderImportEntryProcessor$OrderLoaderRunnable.processEntry(OrderImportEntryProcessor.java:64)
	at org.openbravo.service.importprocess.ImportEntryProcessor$ImportEntryProcessRunnable.doRunCycle(ImportEntryProcessor.java:372)
	at org.openbravo.service.importprocess.ImportEntryProcessor$ImportEntryProcessRunnable.run(ImportEntryProcessor.java:293)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)