Log in not working

[jorgesinval]

When I use the function get_session_key after defining the username, password, and API, I get the following error:

Error: Argument 'txt' must be a JSON string, URL or file.

Any thoughts?

[SebastianHuter]

i have the same issue, trying to access a LimeSurvey 4.1.15 installation. It seems like an error from the function jsonlite::toJSON within get_session_key and that it somehow doesn't get or like the lime_api URL from the options. But I couldn't really solve it yet. Any success?

[jemus42]

I have not tried LimeSurvey 4.x yet, but I have experienced the given error message temporarily, sometimes over the course of one or two days. If all LimeSurvey settings are defined correctly, it may legitimately be a "just wait a bit and try again" issue if you're lucky.

(I could never figure out what caused the issue, sorry)

[akuehn]

Set RPC-Interface to JSON-RPC in your limesurvey global settings.

[SebastianHuter]

that did the trick, thank you!