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?