[LayaAirIDE 2.0]昨天一开始运行好好的，没动别的，运行就开始报错

报错如下：
Uncaught
C:\fakepath(596,34-81): error X3005: '_webgl_42c649225184485b': identifier represents a variable, not a function
Warning: D3D shader compilation failed with default flags. (ps_5_0)
 Retrying with skip validation
C:\fakepath(596,34-81): error X3005: '_webgl_42c649225184485b': identifier represents a variable, not a function
Warning: D3D shader compilation failed with skip validation flags. (ps_5_0)
 Retrying with skip optimization
C:\fakepath(596,34-81): error X3005: '_webgl_42c649225184485b': identifier represents a variable, not a function
Warning: D3D shader compilation failed with skip optimization flags. (ps_5_0)

Failed to create D3D shaders.
 
我蒙了，用Chrome调试还按不出F12的console模式，是用layaair调试出来的。我只知道和shader有关，但找不出错误来，请大神们帮忙看看。SkiingTest2包是LayaIDE2.5.0的包，Unity包用的是2018.4.7f1。