diff --git a/cwms-data-api/src/main/java/cwms/cda/api/LocationGroupController.java b/cwms-data-api/src/main/java/cwms/cda/api/LocationGroupController.java
index e2f292dac..9acf4e1c6 100644
--- a/cwms-data-api/src/main/java/cwms/cda/api/LocationGroupController.java
+++ b/cwms-data-api/src/main/java/cwms/cda/api/LocationGroupController.java
@@ -227,9 +227,8 @@ public void create(@NotNull Context ctx) {
             if (!deserialize.getLocationCategory().getOfficeId().equalsIgnoreCase(CWMS_OFFICE)
                     && (!deserialize.getOfficeId().equalsIgnoreCase(deserialize.getLocationCategory().getOfficeId())
                     || deserialize.getOfficeId().equalsIgnoreCase(CWMS_OFFICE))) {
-                CdaError re = new CdaError("Location Group office ID cannot be CWMS and must match the "
-                    + "Location Category office ID");
-                throw new IllegalArgumentException(re.toString());
+                throw new IllegalArgumentException("Location Group office ID cannot be CWMS and must match the "
+                        + "Location Category office ID");
             }
 
             LocationGroupDao dao = new LocationGroupDao(dsl);
diff --git a/cwms-data-api/src/main/java/cwms/cda/api/TimeSeriesGroupController.java b/cwms-data-api/src/main/java/cwms/cda/api/TimeSeriesGroupController.java
index 91606e973..eb06d9f33 100644
--- a/cwms-data-api/src/main/java/cwms/cda/api/TimeSeriesGroupController.java
+++ b/cwms-data-api/src/main/java/cwms/cda/api/TimeSeriesGroupController.java
@@ -258,9 +258,8 @@ public void create(@NotNull Context ctx) {
             if (!deserialize.getTimeSeriesCategory().getOfficeId().equalsIgnoreCase(CWMS_OFFICE)
                     && (!deserialize.getOfficeId().equalsIgnoreCase(deserialize.getTimeSeriesCategory().getOfficeId())
                     || deserialize.getOfficeId().equalsIgnoreCase(CWMS_OFFICE))) {
-                CdaError re = new CdaError("TimeSeries Group office ID cannot be CWMS and must match the "
+                throw new IllegalArgumentException("TimeSeries Group office ID cannot be CWMS and must match the "
                         + "TimeSeries Category office ID");
-                throw new IllegalArgumentException(re.toString());
             }
 
             boolean failIfExists = ctx.queryParamAsClass(FAIL_IF_EXISTS, Boolean.class).getOrDefault(true);