失敗 - バックグラウンドワーカー

Hi, I want to set up Disscourse, but at the end of the installation I get this:

「いいね!」 2

Can you scroll up and look for earlier error messages?

「いいね!」 2

Here is a larger excerpt

「いいね!」 1

Strange, it comes up with these excerpts… It looks like the installation failed! But no, it was successful!

Strange

「いいね!」 1

The message in the OP is not parte of the large excerpt.