Write data to OPC Server from MATLAB write command: access right problem

Hi, I am writing a script that connect OPC server with the MATLAB, I am able to read the data from server but unable to write the data, and got this error when using the command write(item, 10.98)
Error using project (line 13) Error writing to items. Behaelter_1_OUT returned 'The item's access rights do not allow the operation.'
How could I change the access right to read and write both using the matlab!! Any help would be appreciate

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on 27 May 2016

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