UltraTax CS ELF Error code CSUS01

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Our Support department is closed on [[date]]. However, limited UltraTax CS phone support is available on that date from 9 AM - 5 PM ET due to the approaching deadline.

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Error Code CSUS01: An invalid attachment source exists; review attachments in Edit > Electronic Filing Attachments.

The following may cause this error.

For instructions on properly attaching PDF files and file limitations, see Attaching Portable Document Format (PDF) files to electronic files.

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