DataSource pool config: Modification fails

[Host Controller] 15:02:28,221 ERROR [org.jboss.as.controller] (HttpManagementService-threads - 5) Operation ("write-attribute") failed - address: ([
[Host Controller] ("profile" => "default"),
[Host Controller] ("subsystem" => "datasources"),
[Host Controller] ("xa-data-source" => "myXA")
[Host Controller] ]) - failure description: "Invalid parameter name: value"