SA database error

Hello,

SA stopped working. 
/opt/dell/supportassist/logs/application.log show this error below.

Can anyone please help to fix this issue?

01 Apr 2019 15:18:24,433 [main] INFO  com.dell.supportassist.core.SupportAssistMainForLinuxInstaller- 16 - init method called in SupportAssistMainForLinuxInstaller
01 Apr 2019 15:18:24,701 [main] INFO  com.dell.supportassist.core.SupportAssistMainForLinuxInstaller- 22 - Start method called in SupportAssistMainForLinuxInstaller
01 Apr 2019 15:18:25,797 [main] INFO  com.dell.supportassist.core.process.management.CollectionProcessManager- 167 - Number of collections per process: 100
01 Apr 2019 15:18:25,798 [main] INFO  com.dell.supportassist.core.process.management.CollectionProcessManager- 167 - Number of Collections per process is - 100
01 Apr 2019 15:18:27,310 [main] INFO  /SupportAssist- 2052 - Initializing Spring root WebApplicationContext
01 Apr 2019 15:18:36,928 [main] WARN  org.springframework.beans.factory.parsing.FailFastProblemReporter- 79 - Configuration problem: Overriding globally registered AuthenticationManagerOffending resource: URL [jar:file:/opt/dell/supportassist/lib/SupportAssistCore-2.3.10.13-lx.jar!/spring-security.xml]
01 Apr 2019 15:18:37,959 [main] INFO  com.dell.supportassist.core.config.PropertySourcesConfig- 63 - Loading PROD Profile.!
01 Apr 2019 15:18:37,960 [main] INFO  com.dell.supportassist.core.config.PropertySourcesConfig- 68 - SupportAssist home env variable is configured as :/opt/dell/supportassist
01 Apr 2019 15:18:39,116 [main] INFO  com.dell.supportassist.common.helper.ExportHelper- 54 - reports directory found in SupportAssist installation directory:/opt/dell/supportassist/reports
01 Apr 2019 15:18:40,198 [main] ERROR com.dell.supportassist.core.appdb.config.ApplicationDataBaseConfig- 115 -  error in initializing db DB creation failedCannot connect to the remote server/database 'remote:localhost:2424/saeappdb'
01 Apr 2019 15:18:40,277 [main] WARN  org.springframework.web.context.support.AnnotationConfigWebApplicationContext- 549 - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'supportMatrixDatabaseConfig': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Resource must not be null
01 Apr 2019 15:18:40,280 [main] ERROR org.springframework.web.context.ContextLoader- 351 - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'supportMatrixDatabaseConfig': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Resource must not be null