diff --git a/client/src/components/schedule-calendar-wrapper/schedule-calendar-header.component.jsx b/client/src/components/schedule-calendar-wrapper/schedule-calendar-header.component.jsx
index fd0d6cb2f..9a83f7cae 100644
--- a/client/src/components/schedule-calendar-wrapper/schedule-calendar-header.component.jsx
+++ b/client/src/components/schedule-calendar-wrapper/schedule-calendar-header.component.jsx
@@ -67,11 +67,11 @@ export function ScheduleCalendarHeaderComponent({
                   <OwnerNameDisplay ownerObject={j} />
                 </td>
                 <td style={{ padding: "2.5px" }}>
-                  {`(${j.labhrs.aggregate.sum.mod_lb_hrs.toFixed(
-                    1
-                  )}/${j.larhrs.aggregate.sum.mod_lb_hrs.toFixed(1)}/${(
-                    j.labhrs.aggregate.sum.mod_lb_hrs +
-                    j.larhrs.aggregate.sum.mod_lb_hrs
+                  {`(${j.labhrs?.aggregate?.sum?.mod_lb_hrs?.toFixed(1) || 0}/${
+                    j.larhrs?.aggregate?.sum?.mod_lb_hrs?.toFixed(1) || 0
+                  }/${(
+                    j.labhrs.aggregate?.sum?.mod_lb_hrs +
+                    j.larhrs.aggregate?.sum?.mod_lb_hrs
                   ).toFixed(1)} ${t("general.labels.hours")})`}
                 </td>
                 <td style={{ padding: "2.5px" }}>
@@ -107,11 +107,11 @@ export function ScheduleCalendarHeaderComponent({
                   <OwnerNameDisplay ownerObject={j} />
                 </td>
                 <td style={{ padding: "2.5px" }}>
-                  {`(${j.labhrs.aggregate.sum.mod_lb_hrs.toFixed(
-                    1
-                  )}/${j.larhrs.aggregate.sum.mod_lb_hrs.toFixed(1)}/${(
-                    j.labhrs.aggregate.sum.mod_lb_hrs +
-                    j.larhrs.aggregate.sum.mod_lb_hrs
+                  {`(${j.labhrs?.aggregate?.sum.mod_lb_hrs?.toFixed(1) || 0}/${
+                    j.larhrs?.aggregate?.sum?.mod_lb_hrs?.toFixed(1) || 0
+                  }/${(
+                    j.labhrs?.aggregate?.sum?.mod_lb_hrs +
+                    j.larhrs?.aggregate?.sum?.mod_lb_hrs
                   ).toFixed(1)} ${t("general.labels.hours")})`}
                 </td>
                 <td style={{ padding: "2.5px" }}>