Hello dear PVsyst. I have the same problem with crash Shading Scene Construction. My project is very big 361MW, it is about 600 hectares. 42 840 strings with 30 modules in one string When I do Shadings Animation I get bug report: date/time : 2018-01-11, 13:53:28, 662ms computer name : W1041-CZC724BC6 user name : makarevichvm registered owner : Пользователь Windows operating system : Windows 10 x64 build 16299 system language : Ukrainian system up time : 5 hours 14 minutes program up time : 6 minutes 29 seconds processors : 8x Intel® Core i7-7700 CPU @ 3.60GHz physical memory : 26669/32647 MB (free/total) free disk space : (C:) 178,93 GB display mode : 1600x900, 32 bit process id : $2128 allocated memory : 1,50 GB largest free block : 3,25 MB executable : Pvsyst6.exe exec. date/time : 2017-11-16 16:45 version : 6.6.7.0 compiled with : Delphi 10.2 Tokyo madExcept version : 4.0.18 activation key : c786b354f9244c38abede5b1a9accb25 (end of support: 09.01.2019) release date : 16.11.2017 contact name : Makarevich Vladimir contact email : makarevichvm@dtek.com callstack crc : $0040ea9d, $08748426, $08748426 exception number : 3 exception class : EOutOfMemory exception message : Mémoire insuffisante. How to fix this bug?