%sql
create catalog if not exists catalog1

I tried above, but it gives me error as below:

com.databricks.backend.common.rpc.DatabricksExceptions$SQLExecutionException: org.apache.spark.sql.AnalysisException: Catalog namespace is not supported.

at com.databricks.sql.managedcatalog.ManagedCatalogErrors$.catalogNamespaceNotSupportException(ManagedCatalogErrors.scala:40)

at com.databricks.sql.managedcatalog.ExceptionManagedCatalog.createCatalog(ExceptionManagedCatalog.scala:60)

at com.databricks.sql.managedcatalog.ManagedCatalogSessionCatalog.createCatalog(ManagedCatalogSessionCatalog.scala:357)

at com.databricks.sql.managedcatalog.command.CreateCatalogCommand.run(CatalogCommands.scala:45)

at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:80)

at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:78)

at org.apache.spark.sql.execution.command.ExecutedCommandExec.executeCollect(commands.scala:89)

at org.apache.spark.sql.execution.QueryExecution$$anonfun$$nestedInanonfun$eagerlyExecuteCommands$1$1.$anonfun$applyOrElse$1(QueryExecution.scala:160)

at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withCustomExecutionEnv$8(SQLExecution.scala:239)

at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:386)

at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withCustomExecutionEnv$1(SQLExecution.scala:186)

at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:968)

at org.apache.spark.sql.execution.SQLExecution$.withCustomExecutionEnv(SQLExecution.scala:141)

at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:336)

at org.apache.spark.sql.execution.QueryExecution$$anonfun$$nestedInanonfun$eagerlyExecuteCommands$1$1.applyOrElse(QueryExecution.scala:160)

at org.apache.spark.sql.execution.QueryExecution$$anonfun$$nestedInanonfun$eagerlyExecuteCommands$1$1.applyOrElse(QueryExecution.scala:156)

at org.apache.spark.sql.catalyst.trees.TreeNode.$anonfun$transformDownWithPruning$1(TreeNode.scala:575)

at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:167)

at org.apache.spark.sql.catalyst.trees.TreeNode.transformDownWithPruning(TreeNode.scala:575)

at org.apache.spark.sql.catalyst.plans.logical.LogicalPlan.org$apache$spark$sql$catalyst$plans$logical$AnalysisHelper$$super$transformDownWithPruning(LogicalPlan.scala:30)

at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.transformDownWithPruning(AnalysisHelper.scala:268)

at org.apache.spark.sql.catalyst.plans.logical.AnalysisHelper.transformDownWithPruning$(AnalysisHelper.scala:264)

at org.apache.spark.sql.catalyst.plans.logical.LogicalPlan.transformDownWithPruning(LogicalPlan.scala:30)

at org.apache.spark.sql.catalyst.plans.logical.LogicalPlan.transformDownWithPruning(LogicalPlan.scala:30)

at org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:551)

at org.apache.spark.sql.execution.QueryExecution.$anonfun$eagerlyExecuteCommands$1(QueryExecution.scala:156)