Error starting up

java.lang.RuntimeException: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30000ms.
	at com.tle.core.hibernate.DataSourceHolder.getDefaultSchema(DataSourceHolder.java:46)
	at com.tle.core.migration.impl.HibernateMigrationService.checkSchemaForMigrations(HibernateMigrationService.java:101)
	at com.tle.core.migration.impl.MigrationGlobalTask.checkSystemSchema(MigrationGlobalTask.java:314)
	at com.tle.core.migration.impl.MigrationGlobalTask.processRefresh(MigrationGlobalTask.java:358)
	at com.tle.core.migration.impl.MigrationGlobalTask.runTask(MigrationGlobalTask.java:135)
	at com.tle.core.migration.impl.MigrationGlobalTask.runTask(MigrationGlobalTask.java:66)
	at com.tle.core.services.impl.AlwaysRunningTask.call(AlwaysRunningTask.java:50)
	at com.tle.core.services.impl.AlwaysRunningTask.call(AlwaysRunningTask.java:27)
	at com.tle.core.services.impl.LocalTaskServiceImpl$LocalTask.run(LocalTaskServiceImpl.java:485)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30000ms.
	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:695)
	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:197)
	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:162)
	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:100)
	at com.tle.core.hibernate.DataSourceHolder.getDefaultSchema(DataSourceHolder.java:43)
	... 13 more
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Cannot open database "SOLR-PROD" requested by the login. The login failed. ClientConnectionId:4d21fbed-d463-476c-bf07-d0f6916285f7
	at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:232)
	at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(tdsparser.java:291)
	at com.microsoft.sqlserver.jdbc.TDSParser.parse(tdsparser.java:111)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:4376)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:3188)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.access$100(SQLServerConnection.java:61)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:3151)
	at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7535)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2438)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1973)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:1616)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectInternal(SQLServerConnection.java:1447)
	at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:788)
	at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1187)
	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:358)
	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206)
	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:477)
	at com.zaxxer.hikari.pool.HikariPool.access$100(HikariPool.java:71)
	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:725)
	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:711)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at com.tle.core.hibernate.DataSourceServiceImpl$CreateDataSourceFunction$1$1.run(DataSourceServiceImpl.java:137)