put try-catch around loading portal wrapper call (#2163)
put try-catch around loading portal wrapper call (#2163)

* put try-catch around loading portal wrapper call - unhide spinner if
error occurred

* add comment

uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal