# 6.13.3353 ## Bug Fixes ### Designer * The Update Check spinner did not stop after completion * `PageContentPlaceholder` could be copied * Session Variables appeared in Custom Type dropdowns * Pasting a Grid converted columns to rows * Undoing a Grid deletion did not restore the rows to their initial state * Importing an empty string as a Type threw a "Value cannot be null" exception * Page names could use reserved names (Admin, Authentication, Error, Logout, Callback) * The version hyperlink in the About window pointed to an outdated URL ### Web App * Using a Variable reference in `.find(...)` caused an "Unexpected reserved word" exception * Nested Grids displayed items vertically instead of in table form * Data overflow returned an incorrect error message * Control validation within a Repeater threw "Cannot read properties of undefined" exceptions ### Server * Adding an admin user to a published application failed with a "Username '' is invalid" error --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.stadium.software/6/release-notes/6.13.3353.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.