Use the following website to help you find and fix configuration errors:
https://yaml-online-parser.appspot.com/

org.bukkit.configuration.InvalidConfigurationException: while parsing a block mapping
 in "<string>", line 25, column 3:
      erohis:
      ^
expected <block end>, but found BlockSequenceStart
 in "<string>", line 27, column 4:
       - createur