attempt to call method 'GetEyeTrace' (a nil value)

How to fix this? :




modes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. unknown - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. unknown - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. unknown - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPlayer - gamemodes/sandbox/entities/entities/base_gmodentity.lua:19
2. Think - gamemodes/sandbox/entities/entities/base_gmodentity.lua:30
3. unknown - gamemodes/sandbox/entities/entities/gmod_light.lua:64


[ERROR] gamemodes/sandbox/entities/entities/base_gmodentity.lua:19: attempt to call method 'GetEyeTrace' (a nil value)
1. BeingLookedAtByLocalPla