Expression evaluation error at function a!queryEntity [line 6]: An error occurred while retrieving the data.

I am receiving below error when I try to execute the query entity rule qith below code
------------------------------
load(
local!pagingInfo: a!pagingInfo(
startIndex: 1,
batchSize: 20
),
a!queryEntity(
entity: cons!MERCP_DSE_TEST_DS,
query: a!query(
pagingInfo: local!pagingInfo
)
).data
)

--------------------------
However same code works when i just insert query selection in above code


load(
local!pagingInfo: a!pagingInfo(
startIndex: 1,
batchSize: 20
),
a!queryEntity(
entity: cons!MERCP_DSE_TEST_DS,
query: a!query(
selection: a!querySelection(
columns: {
a!queryColumn(
field: "CreateUser"
)
}
),

pagingInfo: local!pagingInfo
)
).data
)

----------------------

No error in a...

OriginalPostID-261209