LEDES.org is owned and maintained by the LEDES Oversight Committee. The LEDES Oversight Committee is a voluntary, non-profit organization dedicated to setting the standards for the exchange of information between law departments and law firms.
The LOC does not have a Help Desk, nor does it provide training services.
Any questions on implementing legal ebilling, client protocols and error messages should be directed to the client requesting the firm to ebill, or the Help Desk of the ebilling vendor whose system your client has requested you to use.