first error - openmrs standalone

ava.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_301]
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_301]
	at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:646) ~[openmrs-api-2.4.0.jar:?]
	at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:565) ~[openmrs-api-2.4.0.jar:?]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_301]
	at org.openmrs.module.Module.expandExtensionNames(Module.java:565) [openmrs-api-2.4.0.jar:?]
	at org.openmrs.module.Module.getExtensions(Module.java:492) [openmrs-api-2.4.0.jar:?]
	at org.openmrs.module.ModuleFactory.startModuleInternal(ModuleFactory.java:677) [openmrs-api-2.4.0.jar:?]
	at org.openmrs.api.context.Daemon$1.run(Daemon.java:80) [openmrs-api-2.4.0.jar:?]
Caused by: java.lang.ClassNotFoundException: org.openmrs.module.web.extension.AdministrationSectionExt
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702) ~[openmrs-standalone.jar:?]
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547) ~[openmrs-standalone.jar:?]
	at org.openmrs.module.ModuleClassLoader.loadClass(ModuleClassLoader.java:572) ~[openmrs-api-2.4.0.jar:?]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_301]
	... 16 more