It works if I do not pass in the alias name as a parameter.

>>The "IIF(m.tlAddAlias" is causing it not to run.
>>
>I just opened a table, then ran it.
>
>E.g.
>use trans_employees_queues
>?fieldstostring(.t.)
>
>Here is my output
>CTRANS_EMPLOYEES_QUEUES_PK C(16), CTRANS_FK C(16), CQUEUE_NAMES_FK C(16), CCOMMISSION_OWNER_USGRLINK_FK C(16), CUSGRLINK_FK C(16), CSUPERVISOR_REVIEW_USGRLINK_FK C(16), CTRANSFER_IN_USGRLINK_FK C(16), CTRANSFER_OUT_USGRLINK_FK C(16), CPOINTER_FK C(16), IACTIVE_FLAG I, IPRIMARY_FLAG I, ITEMPORARY_ASSIGNMENT_FLAG I, TTEMPORARY_START_DATE T, TEXPIRE_DATE T, TTRANSFER_IN_DATE T, TTRANSFER_OUT_DATE T, TSCHEDULED_CLOSE_DATE D, ISCHEDULED_CLOSE_REASON_CODE I, TENTERED_DATE T, CENTERED_USER C(10), TLAST_UPDATED_DATE T, CLAST_UPDATED_USER C(10)