tdf#42982: improve UNO API error reportings

Change-Id: I5a5df811562da1aafecb0057bcfe888f92f7b887
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/87652
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@cib.de>
diff --git a/scaddins/source/analysis/analysis.cxx b/scaddins/source/analysis/analysis.cxx
index 36c1356..2669a00 100644
--- a/scaddins/source/analysis/analysis.cxx
+++ b/scaddins/source/analysis/analysis.cxx
@@ -563,7 +563,7 @@ double SAL_CALL AnalysisAddIn::getSeriessum( double fX, double fN, double fM, co

    // #i32269# 0^0 is undefined, Excel returns #NUM! error
    if( fX == 0.0 && fN == 0 )
        throw uno::RuntimeException();
        throw uno::RuntimeException("undefined expression: 0^0");

    if( fX != 0.0 )
    {