SAP DBTech JDBC: [4871]: Calculation Scenario: executor: plan operation failed

Hi,

I am running a GEM query from SQL console on my HANA SP09 cloud instance(from Eclipse). I ran this statement several times till yesterday and worked perfectly. But today while running this GEM query its throwing error. What can be a root cause for it ? Any solution ?

GEM Query :

CALL GEM('

USE WORKSPACE uri:graph2WS;

$herman = { uri:B };

$hermansFather = $herman-[@core:type = uri:hasEdge]->;

RESULT uri:myR FROM $hermansFather;

');

Error :

Could not execute 'CALL GEM(' USE WORKSPACE uri:graph2WS; $herman = { uri:B }; $hermansFather = $herman-[@core:type = ...' in 459 ms 30 µs . SAP DBTech JDBC: [4871]: Calculation Scenario: executor: plan operation failed

Thanks in advance. Please help.

Regards,

Mayank