Value cannot be null(parameter'atleast one of the connection must be used'))

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Hi @Rupali_Shinde

Try to Install the 64-bit Microsoft Access Database Engine, use the 64-bit ODBC Data Source Administrator, and update the connection string to use - Microsoft.ACE.OLEDB.12.0. Ensure UiPath is running in 64-bit mode. The error “Value cannot be null. At least one connection must be used.” indicates a missing or misconfigured connection string.

Happy Automtion

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