APM Command Center unable to start after uninstall 10.7.0 SP2

Document ID : KB000117152
Last Modified Date : 11/10/2018
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Issue:
After uninstall APM Command Center 10.7.0 SP2, ACC is not able to start up. The following error is seen in ACC log 'apmccsrv.log':

ERROR 4353 [WrapperListener_start_runner] --- .c.s.CommandCenterDataLoadingServiceImpl : New Database version 1.5 is lower than previous version 1.6
WARN 4353 [WrapperListener_start_runner] --- ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'appInitializationBean' defined in URL [jar:file:/opt/ca/apm/ccs/lib/acc-configserver-ui.war!/WEB-INF/classes!/com/ca/apm/acc/configserver/config/AppInitializationBean.class]: Invocation of init method failed; nested exception is java.lang.RuntimeException: New Database version 1.500000 is lower than previous version 1.600000
INFO 4353 [WrapperListener_start_runner] --- o.e.jetty.server.handler.ContextHandler  : Stopped o.s.b.c.e.j.JettyEmbeddedWebAppContext@25fecbd8{/,jar:file:///opt/ca/apm/ccs/lib/acc-configserver-ui.war!/,UNAVAILABLE}
ERROR 4353 [WrapperListener_start_runner] --- o.s.boot.SpringApplication               : Application startup failed
 
Environment:
Uninstall ACC 10.7.0 SP2
Resolution:
The problem is with the version number in the database - <ACC_HOME>/data/acc_data_h2.mv.db. Please restore the backup 10.7.0 environment or reinstall 10.7.0.