Game states that minecraft:shaders/post/transparency.json is missing key vertex in MapLike on resourcepacks that were working on previous versions.

Full breakdown:
Failed to parse shader config at minecraft:shaders/post/transparency.json
com.google.gson.JsonSyntaxException: No key fragment in MapLike[{"targets":["swap1","swap2","swap3","swap4","translucent","itemEntity","particles","clouds","weather",

{"name":"temporals1","width":16,"height":1,"bilinear":false}

,

{"name":"temporals2","width":16,"height":1,"bilinear":false}

],"passes":[{"name":"fov_calc","intarget":"temporals1","outtarget":"swap2","auxtargets":[

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

],"uniforms":[

{"name":"Range","values":[64.0]}

]},{"name":"fov_calc1","intarget":"swap2","outtarget":"swap3","uniforms":[

{"name":"Tolerance","values":[100.0]}

,

{"name":"Reject","values":[3.0]}

]},{"name":"fov_calc2","intarget":"swap3","outtarget":"swap2","uniforms":[

{"name":"Tolerance","values":[90000.0]}

]},{"name":"preprocess","intarget":"temporals1","outtarget":"temporals2","auxtargets":[

{"name":"ExposureSampler","id":"swap1"}

,

{"name":"SkySampler","id":"minecraft:main"}

,

{"name":"SkyDepthSampler","id":"minecraft:main:depth"}

,

{"name":"FOVSampler","id":"swap2"}

],"uniforms":[

{"name":"FOVGuess","values":[70.0]}

]},

{"name":"copy","intarget":"temporals2","outtarget":"temporals1"}

,{"name":"water_blur","intarget":"translucent","outtarget":"swap1","uniforms":[

{"name":"BlurDir","values":[1.0,0.0]}

,

{"name":"BlurSize","values":[0.01]}

]},{"name":"water_blur","intarget":"swap1","outtarget":"swap2","uniforms":[

{"name":"BlurDir","values":[0.0,1.0]}

,

{"name":"BlurSize","values":[0.01]}

]},{"name":"water_norm","intarget":"swap2","outtarget":"swap1","auxtargets":[

{"name":"DiffuseDepthSampler","id":"translucent:depth"}

],"uniforms":[

{"name":"BlurSize","values":[4.0]}

]},{"name":"water","intarget":"minecraft:main","outtarget":"swap2","auxtargets":[

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

,

{"name":"TranslucentSampler","id":"translucent"}

,

{"name":"TranslucentDepthSampler","id":"translucent:depth"}

,

{"name":"TranslucentHeightSampler","id":"swap1"}

,

{"name":"TemporalSampler","id":"temporals1"}

]},{"name":"composite1","intarget":"translucent","outtarget":"swap1","auxtargets":[

{"name":"TranslucentDepthSampler","id":"translucent:depth"}

,

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

,

{"name":"ItemEntitySampler","id":"itemEntity"}

,

{"name":"ItemEntityDepthSampler","id":"itemEntity:depth"}

,

{"name":"ParticlesSampler","id":"particles"}

,

{"name":"ParticlesDepthSampler","id":"particles:depth"}

,

{"name":"WeatherSampler","id":"weather"}

,

{"name":"WeatherDepthSampler","id":"weather:depth"}

,

{"name":"CloudsSampler","id":"clouds"}

,

{"name":"CloudsDepthSampler","id":"clouds:depth"}

]},{"name":"composite2","intarget":"minecraft:main","outtarget":"swap3","auxtargets":[

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

,

{"name":"TranslucentSampler","id":"translucent"}

,

{"name":"TranslucentSpecSampler","id":"swap2"}

,

{"name":"TranslucentDepthSampler","id":"translucent:depth"}

,

{"name":"ParticlesSampler","id":"particles"}

,

{"name":"ParticlesDepthSampler","id":"particles:depth"}

,

{"name":"PartialCompositeSampler","id":"swap1"}

,

{"name":"ItemEntityDepthSampler","id":"itemEntity:depth"}

,

{"name":"WeatherDepthSampler","id":"weather:depth"}

,

{"name":"CloudsDepthSampler","id":"clouds:depth"}

]},{"name":"fxaa","intarget":"swap3","outtarget":"swap2","uniforms":[

{"name":"SpanMax","type":"float","count":1,"values":[8.0]}

,

{"name":"SubPixelShift","type":"float","count":1,"values":[0.25]}

,

{"name":"ReduceMul","type":"float","count":1,"values":[0.2]}

]},{"name":"exposure_apply","intarget":"swap2","outtarget":"swap1","auxtargets":[

{"name":"TemporalSampler","id":"temporals1"}

]},

{"name":"bloom","intarget":"swap1","outtarget":"swap2"}

,

{"name":"tonemap","intarget":"swap2","outtarget":"minecraft:main"}

,{"name":"blur","intarget":"minecraft:main","outtarget":"swap1","uniforms":[

{"name":"BlurDir","values":[1.0,0.0]}

,

{"name":"Radius","values":[7.0]}

]}]}]; No key vertex in MapLike[{"targets":["swap1","swap2","swap3","swap4","translucent","itemEntity","particles","clouds","weather",

{"name":"temporals1","width":16,"height":1,"bilinear":false}

,

{"name":"temporals2","width":16,"height":1,"bilinear":false}

],"passes":[{"name":"fov_calc","intarget":"temporals1","outtarget":"swap2","auxtargets":[

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

],"uniforms":[

{"name":"Range","values":[64.0]}

]},{"name":"fov_calc1","intarget":"swap2","outtarget":"swap3","uniforms":[

{"name":"Tolerance","values":[100.0]}

,

{"name":"Reject","values":[3.0]}

]},{"name":"fov_calc2","intarget":"swap3","outtarget":"swap2","uniforms":[

{"name":"Tolerance","values":[90000.0]}

]},{"name":"preprocess","intarget":"temporals1","outtarget":"temporals2","auxtargets":[

{"name":"ExposureSampler","id":"swap1"}

,

{"name":"SkySampler","id":"minecraft:main"}

,

{"name":"SkyDepthSampler","id":"minecraft:main:depth"}

,

{"name":"FOVSampler","id":"swap2"}

],"uniforms":[

{"name":"FOVGuess","values":[70.0]}

]},

{"name":"copy","intarget":"temporals2","outtarget":"temporals1"}

,{"name":"water_blur","intarget":"translucent","outtarget":"swap1","uniforms":[

{"name":"BlurDir","values":[1.0,0.0]}

,

{"name":"BlurSize","values":[0.01]}

]},{"name":"water_blur","intarget":"swap1","outtarget":"swap2","uniforms":[

{"name":"BlurDir","values":[0.0,1.0]}

,

{"name":"BlurSize","values":[0.01]}

]},{"name":"water_norm","intarget":"swap2","outtarget":"swap1","auxtargets":[

{"name":"DiffuseDepthSampler","id":"translucent:depth"}

],"uniforms":[

{"name":"BlurSize","values":[4.0]}

]},{"name":"water","intarget":"minecraft:main","outtarget":"swap2","auxtargets":[

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

,

{"name":"TranslucentSampler","id":"translucent"}

,

{"name":"TranslucentDepthSampler","id":"translucent:depth"}

,

{"name":"TranslucentHeightSampler","id":"swap1"}

,

{"name":"TemporalSampler","id":"temporals1"}

]},{"name":"composite1","intarget":"translucent","outtarget":"swap1","auxtargets":[

{"name":"TranslucentDepthSampler","id":"translucent:depth"}

,

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

,

{"name":"ItemEntitySampler","id":"itemEntity"}

,

{"name":"ItemEntityDepthSampler","id":"itemEntity:depth"}

,

{"name":"ParticlesSampler","id":"particles"}

,

{"name":"ParticlesDepthSampler","id":"particles:depth"}

,

{"name":"WeatherSampler","id":"weather"}

,

{"name":"WeatherDepthSampler","id":"weather:depth"}

,

{"name":"CloudsSampler","id":"clouds"}

,

{"name":"CloudsDepthSampler","id":"clouds:depth"}

]},{"name":"composite2","intarget":"minecraft:main","outtarget":"swap3","auxtargets":[

{"name":"DiffuseDepthSampler","id":"minecraft:main:depth"}

,

{"name":"TranslucentSampler","id":"translucent"}

,

{"name":"TranslucentSpecSampler","id":"swap2"}

,

{"name":"TranslucentDepthSampler","id":"translucent:depth"}

,

{"name":"ParticlesSampler","id":"particles"}

,

{"name":"ParticlesDepthSampler","id":"particles:depth"}

,

{"name":"PartialCompositeSampler","id":"swap1"}

,

{"name":"ItemEntityDepthSampler","id":"itemEntity:depth"}

,

{"name":"WeatherDepthSampler","id":"weather:depth"}

,

{"name":"CloudsDepthSampler","id":"clouds:depth"}

]},{"name":"fxaa","intarget":"swap3","outtarget":"swap2","uniforms":[

{"name":"SpanMax","type":"float","count":1,"values":[8.0]}

,

{"name":"SubPixelShift","type":"float","count":1,"values":[0.25]}

,

{"name":"ReduceMul","type":"float","count":1,"values":[0.2]}

]},{"name":"exposure_apply","intarget":"swap2","outtarget":"swap1","auxtargets":[

{"name":"TemporalSampler","id":"temporals1"}

]},

{"name":"bloom","intarget":"swap1","outtarget":"swap2"}

,

{"name":"tonemap","intarget":"swap2","outtarget":"minecraft:main"}

,{"name":"blur","intarget":"minecraft:main","outtarget":"swap1","uniforms":[

{"name":"BlurDir","values":[1.0,0.0]}

,

{"name":"Radius","values":[7.0]}

]}]}]
at com.mojang.serialization.DataResult$Error.getOrThrow(DataResult.java:287)
at glx.a(SourceFile:133)
at glx.a(SourceFile:72)
at glx.b(SourceFile:39)
at avq.a(SourceFile:12)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1812)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1804)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:507)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1458)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2034)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:189)