This is a bug in the ghost lines feedback (even in build 5019).
Even if you rotate clockwise, the counter-clockwise feedback will show.
But if you go through with the action, it will do the rotated multiplication clockwise as directed.
I will report this display bug to Graphisoft.
Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac28