Minecraft Forums

So, my reasonably new world doesn't show up on my load screen, but it's still in my saves folder. My game output says:

[17:01:05] [Client thread/ERROR]: Exception reading C:\Users\Ted\AppData\Roaming\.minecraft\saves\Tedworld\level.dat
java.util.zip.ZipException: Not in GZIP format
at java.util.zip.GZIPInputStream.readHeader(GZIPInputStream.java:165) ~[?:1.8.0_25]
at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:79) ~[?:1.8.0_25]
at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:91) ~[?:1.8.0_25]
at ea.a(SourceFile:24) ~[ea.class:?]
at azz.a(SourceFile:82) [azz.class:?]
at azz.c(SourceFile:66) [azz.class:?]
at azw.b(SourceFile:57) [azw.class:?]
at big.e(SourceFile:35) [big.class:?]
at big.<init>(SourceFile:28) [big.class:?]
at bie.b(SourceFile:43) [bie.class:?]
at bft.a(SourceFile:372) [bft.class:?]
at bcx.a(SourceFile:900) [bcx.class:?]
at bga.a(SourceFile:237) [bga.class:?]
at bft.a(SourceFile:346) [bft.class:?]
at bga.a(SourceFile:498) [bga.class:?]
at bft.k(SourceFile:409) [bft.class:?]
at bft.p(SourceFile:386) [bft.class:?]
at bcx.t(SourceFile:1586) [bcx.class:?]
at bcx.av(SourceFile:968) [bcx.class:?]
at bcx.a(SourceFile:396) [bcx.class:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131) [launchwrapper-1.7.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:27) [launchwrapper-1.7.jar:?]
[17:01:05] [Client thread/ERROR]: Exception reading C:\Users\Ted\AppData\Roaming\.minecraft\saves\Tedworld\level.dat_old
java.util.zip.ZipException: Not in GZIP format
at java.util.zip.GZIPInputStream.readHeader(GZIPInputStream.java:165) ~[?:1.8.0_25]
at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:79) ~[?:1.8.0_25]
at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:91) ~[?:1.8.0_25]
at ea.a(SourceFile:24) ~[ea.class:?]
at azz.a(SourceFile:82) [azz.class:?]
at azz.c(SourceFile:74) [azz.class:?]
at azw.b(SourceFile:57) [azw.class:?]
at big.e(SourceFile:35) [big.class:?]
at big.<init>(SourceFile:28) [big.class:?]
at bie.b(SourceFile:43) [bie.class:?]
at bft.a(SourceFile:372) [bft.class:?]
at bcx.a(SourceFile:900) [bcx.class:?]
at bga.a(SourceFile:237) [bga.class:?]
at bft.a(SourceFile:346) [bft.class:?]
at bga.a(SourceFile:498) [bga.class:?]
at bft.k(SourceFile:409) [bft.class:?]
at bft.p(SourceFile:386) [bft.class:?]
at bcx.t(SourceFile:1586) [bcx.class:?]
at bcx.av(SourceFile:968) [bcx.class:?]
at bcx.a(SourceFile:396) [bcx.class:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:131) [launchwrapper-1.7.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:27) [launchwrapper-1.7.jar:?]

Please help me, I really can't deal with another world going down the toilet.