i played minecraft just fine for some time, when i close down the game and come back later, the minecraft launcher (java) just crashes giving me this message

plz help :O

i dont have a resourepack downloaded ?

---- Minecraft Crash Report -------- Minecraft Crash Report ----// I feel sad now
Time: 18-02-19 14:26Description: Initializing game
ddk: Unable to fit: minecraft:block/lava_flow - size: 32x32 - Maybe try a lowerresolution resourcepack? at ddj.c(SourceFile:58) at ddl.b(SourceFile:108) at ddl.a(SourceFile:52) at dfc.a(SourceFile:341) at dfd.a(SourceFile:24) at vh.a(SourceFile:118) at cft.am(SourceFile:507) at cft.a(SourceFile:380) at net.minecraft.client.main.Main.main(SourceFile:144)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Client threadStacktrace: at ddj.c(SourceFile:58) at ddl.b(SourceFile:108) at ddl.a(SourceFile:52) at dfc.a(SourceFile:341) at dfd.a(SourceFile:24) at vh.a(SourceFile:118) at cft.am(SourceFile:507)
– Initialization --Details:Stacktrace: at cft.a(SourceFile:380) at net.minecraft.client.main.Main.main(SourceFile:144)
– System Details --Details: Minecraft Version: 1.13.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1071542544 bytes (1021 MB) / 1308622848 bytes (1248 MB) up to 2147483648 bytes (2048 MB) JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Launched Version: 1.13.2 LWJGL: 3.1.6 build 14 OpenGL: AMD Radeon(TM) Vega 3 Graphics GL version 4.5.13497 Compatibility Profile Context 23.20.826.11776, ATI Technologies Inc. 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) Profiler Position: N/A (disabled) CPU: 4x AMD Ryzen 3 2200U 

with Radeon Vega Mobile Gfx