[JIRAALIGN-2286] Forecast: Expanding release in Forecast page renders an HTTP 500 error and a spinning wheel of death

Issue Summary

Expanding release in Forecast page renders a server-side error (HTTP 500) and corresponding spinning wheel of death

Steps to Reproduce

1. Browse to Forecast page
2. Expand release

Expected Results

• Release is expanded

Actual Results

• A server-side HTTP 500 error is thrown and a spinning wheel of death is rendered in the UI
• ForecastSortReleaseTable.asp page throws a Division by zero error

{ [-]
   ASP_function: Error.asp
   ErrorId: 8436
   PageName: Forecast
   correlationid: kyn4L9JNVQHKAJsrm4dDeeRibgXf7lXENGTvo1HcAlg=
   customer_db: CUSTOMER
   error_aspcode:
   error_aspdescription:
   error_category: Microsoft VBScript runtime 
   error_column: -1
   error_description: Division by zero
   error_file: C:\INSTANCES\_10X\NIGHTLYWEBSITE\FORECAST\AJAX\../../ProgramRoomFiles/OOFunctionsProgramRoom.asp
   error_line: 463
   error_number: -2146828277
   error_source:
   log_type: exception
   logfrom_location: Website-ASP
   timestamp: 2020-11-10T14:06:11.326000-05:00
   url: https://customer.jiraalign.com:443/Forecast/ajax/ForecastSortReleaseTable.asp?ReleaseID=71&ViewBy=1&ViewType=1
   urlverb: POST
   user: 8191
   version: 10.82.0.11242
}

2020-11-10 19:06:10 <IP> POST /Forecast/ajax/ForecastSortReleaseTable ReleaseID=71&ViewBy=1&ViewType=1|463|800a000b|Division_by_zero 443 8191 172.28.170.193 Mozilla/5.0+(Macintosh;+Intel+Mac+OS+X+10_15_7)+AppleWebKit/537.36+(KHTML,+like+Gecko)+Chrome/86.0.4240.183+Safari/537.36 https://customer.jiraalign.com/ForecastMainPage?FirstTime=True&ReportType=FitView&stfilter=true&Programs=290&Releases=99,69,72,71,73,91,95,98,92,94,97,93,96 500 0 0 161

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available.