https://community.qlik.com/t5/Talend-Studio/Null-value-exception/m-p/2281159#M55784 Post a screendump of your job please and highlight the component which raises the error ? <BR />And the query (screendumo) you're running... provide us with log-details please?!?!?! <BR /> Wed, 12 Sep 2018 20:02:06 GMT Jesperrekuh 2018-09-12T20:02:06Z https://community.qlik.com/t5/Talend-Studio/Null-value-exception/m-p/2281158#M55783 I am getting following exception at my target component:<BR />Invalid query exception: invalid null value for clustering key part of person_id<BR /><BR />All the column that I am passing from source are either having a value or they are 0, none of them is null Wed, 12 Sep 2018 19:27:44 GMT https://community.qlik.com/t5/Talend-Studio/Null-value-exception/m-p/2281158#M55783 Anonymous 2018-09-12T19:27:44Z https://community.qlik.com/t5/Talend-Studio/Null-value-exception/m-p/2281159#M55784 Post a screendump of your job please and highlight the component which raises the error ? <BR />And the query (screendumo) you're running... provide us with log-details please?!?!?! <BR /> Wed, 12 Sep 2018 20:02:06 GMT https://community.qlik.com/t5/Talend-Studio/Null-value-exception/m-p/2281159#M55784 Jesperrekuh 2018-09-12T20:02:06Z