An error occurred during the processing of /_layouts/15/16.0.19127.20518/Next/spclient/491c7c0f-88ad-4548-b943-b581ed4acec0.json. The page must have a <%@ webservice class="MyNamespace.MyClass" ... %> directive.
Correlation ID: 1b7519a2-30dd-c0c8-c4b8-8c66787c277f
Date and Time: 6/2/2026 4:44:08 AM