crash log:

---- Minecraft Crash Report -------- Minecraft Crash Report ----// I let you down. Sorry
Time: 20/02/19 16:14Description: mouseClicked event handler
java.lang.NullPointerException: mouseClicked event handler at cqz.b(SourceFile:206) at cqp.c(SourceFile:38) at cqp.a(SourceFile:27) at csl$a.<init>(SourceFile:56) at csl.<init>(SourceFile:23) at cvo.c(SourceFile:61) at cvi.a(SourceFile:312) at cqw.a(SourceFile:829) at cvb$9.a(SourceFile:99) at crz.a(SourceFile:153) at csu.a(SourceFile:22) at cqx.b(SourceFile:86) at cvi.a(SourceFile:430) at cqx.a(SourceFile:86) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3050) at cpo.l(SourceFile:422) at cpo.c(SourceFile:280) at cqw.b_(SourceFile:1022) at cqw.d(SourceFile:975) at cqw.b(SourceFile:412) at net.minecraft.client.main.Main.main(SourceFile:154)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Client threadStacktrace: at cqz.b(SourceFile:206) at cqp.c(SourceFile:38) at cqp.a(SourceFile:27) at csl$a.<init>(SourceFile:56) at csl.<init>(SourceFile:23) at cvo.c(SourceFile:61) at cvi.a(SourceFile:312) at cqw.a(SourceFile:829) at cvb$9.a(SourceFile:99) at crz.a(SourceFile:153) at csu.a(SourceFile:22) at cqx.b(SourceFile:86)
– Affected screen --Details: Screen name: cvbStacktrace: at cvi.a(SourceFile:430) at cqx.a(SourceFile:86) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3050) at cpo.l(SourceFile:422) at cpo.c(SourceFile:280) at cqw.b_(SourceFile:1022) at cqw.d(SourceFile:975) at cqw.b(SourceFile:412) at net.minecraft.client.main.Main.main(SourceFile:154)
– System Details --Details: Minecraft Version: 19w08a Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.8.0_201, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 205975432 bytes (196 MB) / 431415296 bytes (411 MB) up to 4277403648 bytes (4079 MB) JVM Flags: 5 total; -Xmn128M -Xmx4092M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -XX:+UseConcMarkSweepGC Launched Version: 19w08a LWJGL: 3.2.1 build 12 OpenGL: GeForce GT 710/PCIe/SSE2 GL version 4.6.0 NVIDIA 418.91, NVIDIA Corporation GL Caps: Using GL 1.3 multitexturing.Using GL 1.3 texture combiners.Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.Shaders are available because OpenGL 2.1 is supported.VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Resource Packs:  Current Language: English (US) CPU: 2x Pentium(R) Dual-Core CPU E5700 @ 3.00GHz