Error while installing Edge UI for OPDK - ApigeeSsoJwtVerifier is not initialized

[moolya]

I am trying to install new Edge UI for OPDK, after complete installation when i try to access the UI at localhost:3001, I get a Pop-up asking username and password and error is generated in management server log file

2021-04-30 11:34:25,396 org: env: target: contextId: action: qtp1878992188-52 ERROR SERVICES.SECURITY - JwtAccessController.verifyWithAppropriateJwtVerifier() : ApigeeSsoJwtVerifier is not initialized, verification not possible 2021-04-30 11:34:25,397 org: env: target: contextId: action: qtp1878992188-52 ERROR REST - Authorizer.beforeInvocation() : Authorizer.beforeInvocation: Detected an authentication failure. 
2021-04-30 11:34:25,398 org: env: target: contextId: action: qtp1878992188-52 ERROR REST - CustomJAXRSInvoker.performInvocation() : CustomJAXRSInvoker.performInvocation : Method com.apigee.security.usermanagement.UserManager.getRolesForUser threw an exception. 
2021-04-30 11:34:25,398 org: env: target: contextId: action: qtp1878992188-52 ERROR REST - ExceptionMapper.toResponse() : Error occurred : Authentication failed for user : {0} 
com.apigee.security.providers.JwtAccessController.verifyWithAppropriateJwtVerifier(JwtAccessController.java:197) 
com.apigee.security.providers.JwtAccessController.handleOAuthRequest(JwtAccessController.java:135) 
com.apigee.security.providers.JwtAccessController.authenticate(JwtAccessController.java:118) 
com.apigee.rest.framework.security.authentication.ApigeeLoginModule.login(ApigeeLoginModule.java:50)

while setting up sso again got below error in sso-logs:

localhost-startStop-1 ERROR o.c.i.u.i.c.YamlConfigurationValidator - YamlConfigurationValidator.afterPropertiesSet() : Failed to load YAML validation bean. Your YAML file may be invalid. org.yaml.snakeyaml.constructor.ConstructorException: null; Can't construct a java object for tag:yaml.org,2002:org.cloudfoundry.identity.uaa.impl.config.UaaConfiguration; exception=Cannot create property=headers for JavaBean=org.cloudfoundry.identity.uaa.impl.config.UaaConfiguration@7c3217ec;

Unable to find property 'headers' on class: org.cloudfoundry.identity.uaa.impl.config.UaaConfiguration; in 'string', line 1, column 1: spring_profiles: postgresql,apig ... 
Caused by: org.yaml.snakeyaml.error.YAMLException: Cannot create property=headers for JavaBean=org.cloudfoundry.identity.uaa.impl.config.UaaConfiguration@7c3217ec; Unable to find property 'headers' on class: org.cloudfoundry.identity.uaa.impl.config.UaaConfiguration