NAV 13 R2 W1 Build 44970 Exception of type 'System.OutOfMemoryException' was thrown

Dear Concern,

I am using NAV 13 R2 W1 Build 44970 version and database is INDIAN Version "Dynamics.71.IN.1349229.DVD". When am running base report "ER I" for 1 month (Say, June, 2016), it is showing me following error. System is showing same error in many other base reports.

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Export Error

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An error occurred during local report processing.

An unexpected error occurred in Report Processing.

Exception of type 'System.OutOfMemoryException' was thrown.

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OK

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Please do the needful asap.I shall be very thankful to you in advance.