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ACA Upload Data failed: why?


I am trying to host an ACA survey.
This used to work OK, however when I try hosting my latest version, I have the following error message:

"Upload Data failed.
'.', hexadecimal value 0x00, is an invalid character. Line 1, position 1."

How can I make it work?

Thank you,
asked Nov 23, 2017 by Paul

1 Answer

0 votes
Hi Paul,

Are you still having upload problems?

Exit out of Lighthouse Studio.

Find these two files:


They will be in a folder similar to this (you will have a different user folder than "Dave"):

C:\Users\Dave\AppData\Roaming\Sawtooth Software, Inc\Lighthouse Studio\

Rename the two files to:


Then try to start Lighthouse Studio and upload again.  If you still have problems, you may want to contact our support team:

(801) 477-4700

Best regards,

answered Nov 27, 2017 by David Squire Silver Sawtooth Software, Inc. (5,730 points)