Memory allocation failed in PROD

Hi All,

We are getting below error while running a query in PROD while the same query is running fine on DEV environment.error-1.jpg

Kindly check below details.

HANA DB Version : 1.00.122.02.1473345179

HANA Architecture : Multi tenant on multi host

We have 3 TB memory with 1 TB per node and 2 nodes are in use now ..node 1 and node 2

Can anyone suggest what is the issue and what needs to be done(Any parameter that needs to be changed)