Unable to add cache configuration via server CLI

[standalone@localhost:9990 /] cd subsystem=datagrid-infinispan/cache-container=local/configurations=CONFIGURATIONS
[standalone@localhost:9990 configurations=CONFIGURATIONS] ./local-cache-configuration=txCache:add()
{"outcome" => "success"}
[standalone@localhost:9990 configurations=CONFIGURATIONS] ls local-cache-configuration=txCache
{"WFLYCTL0062: Composite operation failed and was rolled back. Steps that failed:" => {"Operation step-2" => "WFLYCTL0216: Management resource '[
    (\"subsystem\" => \"datagrid-infinispan\"),
    (\"cache-container\" => \"local\"),
    (\"configurations\" => \"CONFIGURATIONS\"),
    (\"local-cache-configuration\" => \"txCache\"),
    (\"persistence\" => \"PERSISTENCE\")
]' not found"}}