Speaking on Twitter Garry Newman commented on how he, "Just enabled this error in GMod today. Please note that integrated graphics accelerators (APUs or iGPUs) will not be sufficient to run Garry's Mod for their lack of dedicated video memory (VRAM) and therefore are not officially supported.The creator of Garry's Mod has revealed that he intentionally added an error message to the commercial version of the mod, which only appears in pirated versions of the game. Reducing addon count is also not a bad idea. You can try to mitigate this error by reducing your graphics options and game resolution. This is entirely up to the server administration and the content creators to do. Please note that since all of the custom content on those servers is not created by Facepunch, there's nothing Facepunch can do to "optimize" the content. It can also be caused by joining very content heavy servers with insufficient hardware to play on them. DarkRP and other Roleplay servers are again notorious for this.
#GARRYS MOD ERROR PC#
Unfortunately you can't really "fix" the problem in this case without upgrading your PC to meet the minimum requirements. You can find the system requirements for Garry's Mod on its Steam Store page. This can be caused by your graphics card not meeting the minimum or recommended system requirements for Garry's Mod. " Failed to lock vertex buffer" and " Failed to lock index buffer" are also memory related crashes but this time have to do with VRAM, the memory capacity of your graphics card.
#GARRYS MOD ERROR UPGRADE#
To solve this sort of crashing, you have the following options: DarkRP and other Roleplay servers are notorious for this. You are trying to join content heavy and unoptimized servers.
#GARRYS MOD ERROR FREE#
You need at least 2-3GB of free RAM to play the game, or at least 4-8GB RAM installed as mentioned in the System Requirements sections on the Steam Store page for Garry's Mod.