TH crushed sometimes

[Romanmas]

Hi, why is it sometimes crushed TH.
Logs attached
TY in advance


2019.06.24 00:18:31.079 19.6.21.0 map reveal bitmap problem: tx=1, ty=1, BitmapGDI.Width=1080, BitmapGDI.Height=972 (System.OutOfMemoryException: Недостаточно памяти.
в System.Drawing.Bitmap.LockBits(Rectangle rect, ImageLockMode flags, PixelFormat format, BitmapData bitmapData)
в System.Drawing.Bitmap.LockBits(Rectangle rect, ImageLockMode flags, PixelFormat format)
в ‫‫​‏*‫‬*​‎*​​‎‫*‎*‪​‎​*.‏‫*‬**‬‏‬‫‎*​***‏*‬**(Bitm ap , Boolean )
в ‫‬*‪‬**‬‪​‬‬‫‏*‏‬​‫*‏.*‬**‬‎‫*‎*​‏‎‪‬*‫​**‏‬*(Sin gle , Single , Single , Single ))