A quick summary. Each row is explained below.
Symptom What to do
Jibber says it is busy Wait a few moments and try again.
A request takes too long Jibber will let you know and suggest trying with shorter text.
A command fails for another reason Jibber will let you know it could not complete the request. Try again right away.
Settings will not save Run the command again and try once more.
The command does not appear at all Jibber has to be added to the server or your account first.

Jibber says it is busy

If Jibber says it is busy, wait a few moments and try again.

A request takes too long

If a request takes too long, Jibber will let you know and suggest trying with shorter text. See the limits page for the character limit that applies to each command.

A command fails for another reason

If a command fails for any other reason, Jibber will let you know it could not complete the request. You can try again right away.

Settings will not save

If /settings cannot be saved, run the command again and try once more. See the settings page for the full steps.

The command does not appear at all

Jibber has to have been added to the server or your account by whoever looks after your Discord setup. You can only use it where it has been installed. See getting started for what to check first.