Update problem with financial fields

[partnerwerk]

I have got a problem with updating update no. cbupd-0000225

This is the error message I get:

Code:

Creating Field sum_tax1 (MwSt.) on Invoice ... **ERROR**
A field with that name or label already exists.
Creating Field sum_tax4 (erm. USt.) on Invoice ... **ERROR**
A field with that name or label already exists.
Creating Field sum_taxtotal (Total Tax) on Invoice ... **ERROR**
A field with that name or label already exists.
Creating Field sum_taxtotalretention (Total Tax Retention) on Invoice ... **ERROR**
A field with that name or label already exists.
result is not an object

What can I do to make the update run?

Since having this update not working I cannot save invoices without the following error message:

Code:

Fatal error: Uncaught Exception: result is not an object in [path]/include/database/PearDatabase.php:826
Stack trace:
#0 [path]/include/utils/InventoryUtils.php(683): PearDatabase->query_result(false, 0, 'tax4')
#1 [path]/include/setVAT.php(164): getInventoryProductTaxValue('279609', '4457', 'tax4')
#2 [path]/modules/com_vtiger_workflow/VTEntityMethodManager.inc(50): setVAT(Object(VTWorkflowEntity))
#3 [path]/modules/com_vtiger_workflow/tasks/VTEntityMethodTask.inc(23): VTEntityMethodManager->executeMethod(Object(VTWorkflowEntity), 'Set Financial F...')
#4 [path]/modules/com_vtiger_workflow/VTWorkflowManager.inc(477): VTEntityMethodTask->doTask(Object(VTWorkflowEntity))
#5 [path]/modules/com_vtiger_workflow/VTEventHandler.inc(92): Workflow->performTasks(Object(VTWorkflowEntity))
#6 [path]/include/events/VTEven in [path]/include/database/PearDatabase.php on line 826

Any help is appreciated.

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Probably this thread needs to be moved to Administrator support? My mistake.