After pressing the button to start the installation, this error occurs:
Installing Minecraft client of version 1.19.3 with loader version 0.18.3
Creating profile launch json
Creating new profile
Failed to install client
java.util.concurrent.CompletionException: org.quiltmc.installer.lib.json5.exception.MalformedSyntaxException: Found potentially valid JSON5, but invalid JSON while in strict mode $.version
at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)
at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320)
at java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:722)
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
at java.base/java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:614)
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:653)
at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:483)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1311)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1841)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1806)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
Caused by: org.quiltmc.installer.lib.json5.exception.MalformedSyntaxException: Found potentially valid JSON5, but invalid JSON while in strict mode $.version
at org.quiltmc.installer.lib.json5.JsonReader.syntaxError(JsonReader.java:1645)
at org.quiltmc.installer.lib.json5.JsonReader.isJson5(JsonReader.java:1515)
at org.quiltmc.installer.lib.json5.JsonReader.peekNumber(JsonReader.java:1154)
at org.quiltmc.installer.lib.json5.JsonReader.doPeek(JsonReader.java:959)
at org.quiltmc.installer.lib.json5.JsonReader.peek(JsonReader.java:405)
at org.quiltmc.installer.Gsons.read(Gsons.java:41)
at org.quiltmc.installer.Gsons.read(Gsons.java:61)
at org.quiltmc.installer.LauncherProfiles.updateProfiles(LauncherProfiles.java:57)
at org.quiltmc.installer.action.InstallClient.lambda$run$2(InstallClient.java:144)
at java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:718)
... 9 more
After pressing the button to start the installation, this error occurs: