HACS not available in configuration

I tried to install HACS, before that I had to empty the browser buffer, which has already been done several times, also tried other browser. HACS does not show up after the plus in configuration Eventually hard reset by restarting the Raspberry, so then I got these error messages and save mode where I no longer come out:
Login attempt or request with invalid authentication from 172.30.33.3

18:43:58 – http (WARNING) - bericht kwam voor het eerst om 16:12:20 en verschijnt 1810 malen
Error executing service <ServiceCall homeassistant.restart (c:ef5d8e48434a41b6baa8c094df074a21)>
18:34:46 – helpers/config_validation.py (ERROR) - bericht kwam voor het eerst om 16:55:03 en verschijnt 4 malen
Error loading /config/configuration.yaml: while scanning for the next token found character ‘\t’ that cannot start any token in “/config/configuration.yaml”, line 27, column 1
16:50:05 – Hass.io (ERROR)
while scanning for the next token found character ‘\t’ that cannot start any token in “/config/configuration.yaml”, line 27, column 1
16:50:05 – util/yaml/loader.py (ERROR)
Invalid certificate found: e371hs45ccljxstyhf1tg8dzldkqghjv.ui.nabu.casa
16:11:57 – main.py (WARNING)
Don’t use ‘server_host’ options with Hass.io
16:11:55 – Hass.io (WARNING)

I don’t have a line 27

Don’t use tabs (\t) to indent your yaml. Use only spaces. Most good text editors will have a tab to space conversion feature to fix your configuration.yaml file. e.g. Notepad++ or VSCode. Open the file with one of them, do the tab to space conversion. Then don’t use tabs again. These editors can be set up to use multiple spaces when you press tab.

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I have used spaces and i have a Mac with Textmate and this is made for these apps.

Well it reckons you have a tab there somewhere.

It’s probably in one of the included files.

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You also have some inconsistent spacing there, which will cause other problems. 2 spaces for each level of indentation, not 2 somewhere and 4 elsewhere.

I changed from PI4 to Hassio on Synology (docker). Now i don’t get the errors.