To run the app in in-memory mode, follow these steps:
Please close Excel before performing these steps
1. Open Internet Explorer Browser -- Click the settings icon in top right corner-- Select Internet options.
2. Click on Settings button under General tab
3. Click on Caches and Databases tab
4. Uncheck the "Allow website caches and databases" checkbox.
5. Save the settings.
6. Reopen the Excel workbook and try again.