ExcelImporter <Save & Generate Columns > cause java heap error

Recently we update our production mendix studio pro from 8.10.2 to 8.12.5 and nothing unusual happen. Today we have need to create new template to import data and use the <Save & Generate Columns > but it cause java heap error and make the app shutdown and restart.   The ExcelImporter doesn’t show any log at all.  The metrics tab show a lot of query was excuted and cause the cpu was overused and shutdown. Anyone has this happened before and how to fix it?  Any help is appreciated!! updated: solved I check the excel importer in marketplace and found out the newest version has this fixxed.
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