Created attachment 34405 [details] error log Caused by: org.apache.poi.ss.formula.eval.NotImplementedFunctionException: XIRR
XIRR is an OOXML 2007+ function https://support.office.com/en-us/article/XIRR-function-de1242ec-6477-445b-b11b-a303ad9adc9d
https://github.com/RayDeCampo/java-xirr might be a good starting point if someone wanted to work on this