https://issues.apache.org/bugzilla/show_bug.cgi?id=53178
--- Comment #2 from [email protected] --- The exception is thrown in org.apache.poi.ss.formula.ForumlaRenderer. When stepping through the source code while parsing the Excel-formula {=WENN(('E:\Berichtswesen\Programme\pis_esm.xla'!Tmark($Q$12;"STD";$B$4;$B$4)) = "N";"No Allocation";"")} as indicated in my second comment, the following stack is already set up stack Stack<E> (id=135) capacityIncrement 0 elementCount 2 elementData Object[10] (id=139) [0] "(Tmark(#REF!,"STD",#REF!,#REF!))="N"" (id=143) [1] ""No Allocation"" (id=1046) [2] null [3] null [4] null [5] null [6] null [7] null [8] null [9] null modCount 18 The next element ptgs[13] which is of instance AttrPtg then causes the exception. -- You are receiving this mail because: You are the assignee for the bug.
