I am working through the tutorials, 'Developing web applications with Liferay 7.2', getting the following errors. 

2021-01-25 17:46:08.939 ERROR [fileinstall-C:/Liferay72DXP/liferay-dxp-7.2.10.1-sp1/osgi/modules][LogService:93] Error while starting bundle: file:/C:/Liferay72DXP/liferay-dxp-7.2.10.1-sp1/osgi/modules/com.liferay.docs.guestbook.api.jar 
org.osgi.framework.BundleException: Could not resolve module: com.liferay.docs.guestbook.api [2205]_  Unresolved requirement: Import-Package: com.liferay.portal.kernel.util; version="[9.13.0,10.0.0)"_ [Sanitized]
    at org.eclipse.osgi.container.Module.start(Module.java:444)
    at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:428)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.startBundle(DirectoryWatcher.java:1263)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.startBundles(DirectoryWatcher.java:1236)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.startAllBundles(DirectoryWatcher.java:1225)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.doProcess(DirectoryWatcher.java:515)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:365)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:316)
2021-01-25 17:46:08.962 ERROR [fileinstall-C:/Liferay72DXP/liferay-dxp-7.2.10.1-sp1/osgi/modules][LogService:93] Error while starting bundle: file:/C:/Liferay72DXP/liferay-dxp-7.2.10.1-sp1/osgi/modules/com.liferay.docs.guestbook.service.jar 
org.osgi.framework.BundleException: Could not resolve module: com.liferay.docs.guestbook.service [2206]_  Unresolved requirement: Import-Package: com.liferay.docs.guestbook.exception; version="[1.0.0,2.0.0)"_    -> Export-Package: com.liferay.docs.guestbook.exception; bundle-symbolic-name="com.liferay.docs.guestbook.api"; bundle-version="1.0.0"; version="1.0.0"; uses:="com.liferay.portal.kernel.exception"_       com.liferay.docs.guestbook.api [2205]_         Unresolved requirement: Import-Package: com.liferay.portal.kernel.util; version="[9.13.0,10.0.0)"_  Unresolved requirement: Import-Package: com.liferay.docs.guestbook.model; version="[1.0.0,1.1.0)"_    -> Export-Package: com.liferay.docs.guestbook.model; bundle-symbolic-name="com.liferay.docs.guestbook.api"; bundle-version="1.0.0"; version="1.0.0"; uses:="com.liferay.exportimport.kernel.lar,com.liferay.portal.kernel.annotation,com.liferay.portal.kernel.bean,com.liferay.portal.kernel.model,com.liferay.portal.kernel.model.wrapper,com.liferay.portal.kernel.util"_ [Sanitized]
    at org.eclipse.osgi.container.Module.start(Module.java:444)
    at org.eclipse.osgi.internal.framework.EquinoxBundle.start(EquinoxBundle.java:428)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.startBundle(DirectoryWatcher.java:1263)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.startBundles(DirectoryWatcher.java:1236)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.startAllBundles(DirectoryWatcher.java:1225)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.doProcess(DirectoryWatcher.java:515)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:365)
    at org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:316)