Add first common error in README

README.md

@@ -12,3 +12,32 @@ If you want to download the library manually, head on over to the [Releases page
 Import `com.gauck.sam.Utilities.*;`
 
 The main `Utilities` class should be used similarly to `java.lang.Math`. This means that users should call its static methods and not try to instantiate.
+
+## Common Errors
+### NoClassDefFoundError (Gradle)
+If your stack trace looks like this: (the `at` lines will be different)
+```
+Exception in thread "main" java.lang.NoClassDefFoundError: com/gauck/sam/Utilities/Utilities
+	at com.samgauck.CityManagement.Economy.<init>(Economy.java:14)
+	at com.samgauck.CityManagement.Economy.getInstance(Economy.java:29)
+	at com.samgauck.CityManagement.Command.<init>(Command.java:23)
+	at com.samgauck.CityManagement.Command.getInstance(Command.java:46)
+	at com.samgauck.CityManagement.Main.<clinit>(Main.java:44)
+Caused by: java.lang.ClassNotFoundException: com.gauck.sam.Utilities.Utilities
+	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
+	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
+	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
+	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
+	... 5 more
+```
+add the line
+```
+from configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
+```
+to the jar block. However, this may cause this error:
+```
+Cannot change dependencies of configuration ':compile' after it has been resolved
+```
+In order to fix this, ensure that your dependencies block is before your jar block (and if you have a repositories block, that should be first).
+
+See https://github.com/Samasaur1/CityManagement/issues/37 and https://github.com/Samasaur1/Utilities/issues/10

build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 group 'com.gauck.sam'
-version '1.4.0'
+version '1.4.1'
 
 sourceCompatibility = 1.8
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists