topic Cannot perform & operation when the right-hand value is empty in Product Forum https://community.blueprism.com/t5/Product-Forum/Cannot-perform-operation-when-the-right-hand-value-is-empty/m-p/64561#M17322 Failed to evaluate expression '[StatusNote]&amp;"*DAYS AUTHORIZED: " &amp; [_daysAuthorized] &amp; "{ENTER}" - Cannot perform &amp; operation when the right-hand value is empty<BR /><BR /><BR />------------------------------<BR />Pat<BR />------------------------------<BR /> Thu, 30 Apr 2020 17:39:00 GMT BPat 2020-04-30T17:39:00Z Cannot perform & operation when the right-hand value is empty https://community.blueprism.com/t5/Product-Forum/Cannot-perform-operation-when-the-right-hand-value-is-empty/m-p/64561#M17322 Failed to evaluate expression '[StatusNote]&amp;"*DAYS AUTHORIZED: " &amp; [_daysAuthorized] &amp; "{ENTER}" - Cannot perform &amp; operation when the right-hand value is empty<BR /><BR /><BR />------------------------------<BR />Pat<BR />------------------------------<BR /> Thu, 30 Apr 2020 17:39:00 GMT https://community.blueprism.com/t5/Product-Forum/Cannot-perform-operation-when-the-right-hand-value-is-empty/m-p/64561#M17322 BPat 2020-04-30T17:39:00Z RE: Cannot perform & operation when the right-hand value is empty https://community.blueprism.com/t5/Product-Forum/Cannot-perform-operation-when-the-right-hand-value-is-empty/m-p/64562#M17323 Hi Pat,<BR /><BR />One of your data items there is empty, and if I had to take a guess its your [_daysAuthorized].&nbsp; You might try setting an initial value on the data item, even if its 0.<BR /><BR /><BR /><BR />------------------------------<BR />Matt Palmer<BR />Business Process Specialist<BR />Chesapeake Energy<BR />America/Chicago<BR />------------------------------<BR /> Fri, 01 May 2020 11:52:00 GMT https://community.blueprism.com/t5/Product-Forum/Cannot-perform-operation-when-the-right-hand-value-is-empty/m-p/64562#M17323 MattPalmer 2020-05-01T11:52:00Z