Fatal error. Could not allocate memory

A fatal error occurs when opening the project. The message is:

“Could not allocate memory: System is out of memory!
Trying to allocate: 11274640B with 32 alignment. MemoryLabel:
VertexData
Allocation happened at: Line: 171 in
C:\buildslave\unity\build\Runtime\Graphics\Mesh\VertexData.cpp”

. Unity 2019.4. Please tell me how to solve the problem.

Sorry, the problem is solved

How did you solve it?