https://communities.sas.com/t5/SAS-Programming/Error-77-185-invalid-number-conversion-on-quot-amp-firstm-start/m-p/828977#M327486 Error:77-185 :invalid number conversion on "&amp;firstm_start_date1." d.<BR /><BR />Data _null_;<BR />Call symputx('firstm_start_date1', put(intnx('qtr', today(), -1, 'B'), date11.)) ;<BR />Call symputx('thirdm_start_date1', put(intnx('month', "&amp;firstm_start_date1." d, 2,'B'), date11.)) ; Wed, 17 Aug 2022 08:05:40 GMT Aniruddhaanu 2022-08-17T08:05:40Z https://communities.sas.com/t5/SAS-Programming/Error-77-185-invalid-number-conversion-on-quot-amp-firstm-start/m-p/828977#M327486 Error:77-185 :invalid number conversion on "&amp;firstm_start_date1." d.<BR /><BR />Data _null_;<BR />Call symputx('firstm_start_date1', put(intnx('qtr', today(), -1, 'B'), date11.)) ;<BR />Call symputx('thirdm_start_date1', put(intnx('month', "&amp;firstm_start_date1." d, 2,'B'), date11.)) ; Wed, 17 Aug 2022 08:05:40 GMT https://communities.sas.com/t5/SAS-Programming/Error-77-185-invalid-number-conversion-on-quot-amp-firstm-start/m-p/828977#M327486 Aniruddhaanu 2022-08-17T08:05:40Z https://communities.sas.com/t5/SAS-Programming/Error-77-185-invalid-number-conversion-on-quot-amp-firstm-start/m-p/828979#M327487 <P>Macro variables created by call symput cannot be accessed as macro variables until the DATA step is completed, so please do the following.</P> <P>&nbsp;</P> <PRE><CODE class=" language-sas">Data _null_; Call symputx('firstm_start_date1', put(intnx('qtr', today(), -1, 'B'), date11.)) ; run; Data _null_; Call symputx('thirdm_start_date1', put(intnx('month', "&amp;firstm_start_date1."d, 2,'B'), date11.)) ; run;</CODE></PRE> <P><BR />Also, the "D" indicating the date must appear immediately after the quotation marks, so remove the space</P> Wed, 17 Aug 2022 08:12:04 GMT https://communities.sas.com/t5/SAS-Programming/Error-77-185-invalid-number-conversion-on-quot-amp-firstm-start/m-p/828979#M327487 japelin 2022-08-17T08:12:04Z