SUMMARY
Exporting report to Microsoft Excel with page-by and threshold on derived metric populates error
(Index out of range in method...)
“(Index out of range in method…)”

STEPS TO REPRODUCE
CAUSE
This is a known issue in Strategy Web 10.3.
ACTION
This issue was addressed in Strategy 10.4. Please upgrade to this version to receive this fix.
WORKAROUND
Exporting the report from Strategy Developer 10.3 exports without error.