Below is the version, but I've seen a lot of older posts also.
It just doesn't work. Try to sum up anything and use the full accumulation with trellis and the lines go up and down, they should only go up (as long as there isn't negative numbers)
========================= QlikView Info ========================== Client Version 12.20.20700.0 Server Version - QlikTech Product QlikView 64-bit Edition (x64) License Key [Leased license] Production Date 2018-04-01 QV_BUILD_INFO QV12-20/150 PE Recoveries Remaining 4 CPU Target x64