diff --git a/components/org.wso2.carbon.identity.scim2.common/src/main/java/org/wso2/carbon/identity/scim2/common/impl/SCIMRoleManagerV2.java b/components/org.wso2.carbon.identity.scim2.common/src/main/java/org/wso2/carbon/identity/scim2/common/impl/SCIMRoleManagerV2.java
index 63cfab4b9..0b755eb03 100644
--- a/components/org.wso2.carbon.identity.scim2.common/src/main/java/org/wso2/carbon/identity/scim2/common/impl/SCIMRoleManagerV2.java
+++ b/components/org.wso2.carbon.identity.scim2.common/src/main/java/org/wso2/carbon/identity/scim2/common/impl/SCIMRoleManagerV2.java
@@ -1125,7 +1125,12 @@ private void doUpdateGroups(String roleId, Set<String> newGroupIDList, Set<Strin
                         new ArrayList<>(deleteGroupIDList), tenantDomain);
             } catch (IdentityRoleManagementException e) {
                 if (RoleConstants.Error.INVALID_REQUEST.getCode().equals(e.getErrorCode())) {
-                    throw new BadRequestException(e.getMessage());
+                    // Custom error message and SCIM type
+                    String customMessage = "Invalid request: Group display name is not supported. Please use the group ID instead.";
+                    String scimType = "invalidSyntax"; // From RFC 7644 Table 9
+
+                    // Throw BadRequestException with custom message and scimType
+                    throw new BadRequestException(customMessage, scimType);
                 }
                 throw new CharonException(
                         String.format("Error occurred while updating groups in the role with ID: %s", roleId), e);