diff --git a/gradle.properties b/gradle.properties
index bb21fb1c7..4c81d029d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ group = org.quiltmc
 description = The mod loading component of Quilt
 url = https://github.com/quiltmc/quilt-loader
 # Don't forget to change this in QuiltLoaderImpl as well
-quilt_loader = 0.26.4-beta.2
+quilt_loader = 0.26.4-beta.3
 
 # Fabric & Quilt Libraries
 asm = 9.6
diff --git a/src/main/java/org/quiltmc/loader/impl/QuiltLoaderImpl.java b/src/main/java/org/quiltmc/loader/impl/QuiltLoaderImpl.java
index 145102260..1447059d8 100644
--- a/src/main/java/org/quiltmc/loader/impl/QuiltLoaderImpl.java
+++ b/src/main/java/org/quiltmc/loader/impl/QuiltLoaderImpl.java
@@ -132,7 +132,7 @@ public final class QuiltLoaderImpl {
 
 	public static final int ASM_VERSION = Opcodes.ASM9;
 
-	public static final String VERSION = "0.26.4-beta.2";
+	public static final String VERSION = "0.26.4-beta.3";
 	public static final String MOD_ID = "quilt_loader";
 	public static final String DEFAULT_MODS_DIR = "mods";
 	public static final String DEFAULT_CACHE_DIR = ".cache";
diff --git a/src/main/java/org/quiltmc/loader/impl/plugin/QuiltPluginManagerImpl.java b/src/main/java/org/quiltmc/loader/impl/plugin/QuiltPluginManagerImpl.java
index 512c940ae..f7845a9ad 100644
--- a/src/main/java/org/quiltmc/loader/impl/plugin/QuiltPluginManagerImpl.java
+++ b/src/main/java/org/quiltmc/loader/impl/plugin/QuiltPluginManagerImpl.java
@@ -1590,24 +1590,37 @@ ModSolveResultImpl getPartialSolution() throws ModSolvingError, TimeoutException
 		Map<Class<?>, LoadOptionResult<?>> extraResults;
 		final Map<Class<?>, Map<Object, Boolean>> optionMap = new HashMap<>();
 
-		for (LoadOption option : solution) {
+		try {
+			for (LoadOption option : solution) {
 
-			boolean load = true;
-			if (LoadOption.isNegated(option)) {
-				option = option.negate();
-				load = false;
-			}
+				boolean load = true;
+				if (LoadOption.isNegated(option)) {
+					option = option.negate();
+					load = false;
+				}
 
-			if (load && option instanceof ModLoadOption) {
-				ModLoadOption mod = (ModLoadOption) option;
-				putMod(directModsMap, mod.id(), mod);
+				if (load && option instanceof ModLoadOption) {
+					ModLoadOption mod = (ModLoadOption) option;
+					putMod(directModsMap, mod.id(), mod);
 
-				for (ProvidedMod provided : mod.metadata().provides()) {
-					putMod(providedModsMap, provided.id(), mod);
+					for (ProvidedMod provided : mod.metadata().provides()) {
+						putMod(providedModsMap, provided.id(), mod);
+					}
 				}
-			}
 
-			putHierarchy(option, load, optionMap);
+				putHierarchy(option, load, optionMap);
+			}
+		} catch (ModSolvingError cause) {
+			// Something went wrong during solving
+			StringBuilder errorDesc = new StringBuilder("The solver returned a solution with duplicate mods!\n");
+			errorDesc.append(cause.getMessage());
+			errorDesc.append("\n\nCurrent Solution:");
+			for (LoadOption option : solution) {
+				errorDesc.append("\n\t-" + option);
+			}
+			errorDesc.append("\n\n");
+			solver.appendRules(errorDesc);
+			throw new ModSolvingError(errorDesc.toString(), cause);
 		}
 
 		extraResults = new HashMap<>();
diff --git a/src/main/java/org/quiltmc/loader/impl/solver/Sat4jWrapper.java b/src/main/java/org/quiltmc/loader/impl/solver/Sat4jWrapper.java
index 8380ee401..ca926da32 100644
--- a/src/main/java/org/quiltmc/loader/impl/solver/Sat4jWrapper.java
+++ b/src/main/java/org/quiltmc/loader/impl/solver/Sat4jWrapper.java
@@ -241,6 +241,16 @@ public void cancel() {
 		cancelled = true;
 	}
 
+	// #############
+	// # Debugging #
+	// #############
+
+	/** Appends all current rules and options using the {@link SolverPreProcessor} format. */
+	public void appendRules(StringBuilder sb) {
+		InputRuleSet ruleSet = new InputRuleSet(optionToWeight, ruleToDefinitions);
+		SolverPreProcessor.appendRuleSet(ruleSet, ruleSet, str -> sb.append("\n" + str));
+	}
+
 	// ############
 	// # Internal #
 	// ############