Appian installation issue while restarting servers.

Hi I am installing Appian version 21.1. I have completed all installation(Linux) steps as per documentation. But we are seeing the below error while restarting the server. Please help us if anyone sees the similar issue.

ERROR org.springframework.web.context.ContextLoader - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.filterChains': Cannot resolve reference to bean 'org.springframework.security.web.DefaultSecurityFilterChain#65' while setting bean property 'sourceList' with key [65]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.web.DefaultSecurityFilterChain#65': Cannot resolve reference to bean 'mobileClientValidationFilter' while setting constructor argument with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mobileClientValidationFilter' defined in ServletContext resource [/WEB-INF/conf/security/spring-security-05-web-api.xml]: Cannot resolve reference to bean 'httpBasicAuthenticationEntryPoint' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'httpBasicAuthenticationEntryPoint' defined in ServletContext resource [/WEB-INF/conf/security/spring-security-05-web-api.xml]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.appiancorp.security.auth.HttpBasicAuthenticationEntryPoint]: Constructor threw exception; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction; nested exception is java.lang.IllegalStateException: [jdbc/appiandb] Error during schema migration.