This is the error that appears in the console and in / pl, it appears in red ... [ERROR] [PermissionsEx] ========== UNABLE TO LOAD PERMISSIONS BACKEND ========= Your configuration must be fixed before PEX will enable Details: Error loading permissions file! ======================================================= ru.tehkode.permissions.exceptions.PermissionBackendException: Error loading permissions file! at ru.tehkode.permissions.backends.file.FileBackend.reload(FileBackend.java:321) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.backends.file.FileBackend.<init>(FileBackend.java:120) ~[PermissionsEx-1.23.4.jar:?] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_212] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_212] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_212] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_212] at ru.tehkode.permissions.backends.PermissionBackend.getBackend(PermissionBackend.java:392) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.backends.PermissionBackend.getBackend(PermissionBackend.java:367) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.PermissionManager.createBackend(PermissionManager.java:624) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.PermissionManager.setBackend(PermissionManager.java:606) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.PermissionManager.initBackend(PermissionManager.java:693) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.PermissionManager.<init>(PermissionManager.java:67) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.bukkit.PermissionsEx.onEnable(PermissionsEx.java:175) [PermissionsEx-1.23.4.jar:?] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:332) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:342) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:314) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:406) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:370) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:325) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:235) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:504) [craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212] Caused by: org.bukkit.configuration.InvalidConfigurationException: while scanning for the next token found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation) in 'string', line 4, column 1: default: true ^ at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:57) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at ru.tehkode.permissions.backends.file.FileConfig.loadFromString(FileConfig.java:68) ~[PermissionsEx-1.23.4.jar:?] at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:226) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:169) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at ru.tehkode.permissions.backends.file.FileConfig.load(FileConfig.java:38) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.backends.file.FileBackend.reload(FileBackend.java:309) ~[PermissionsEx-1.23.4.jar:?] ... 23 more Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning for the next token found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation) in 'string', line 4, column 1: default: true ^ at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:420) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:226) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingValue.produce(ParserImpl.java:586) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:143) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:132) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:229) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:155) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:229) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:155) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:229) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:155) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.composeDocument(Composer.java:122) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:105) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:120) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:450) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.yaml.snakeyaml.Yaml.load(Yaml.java:369) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:55) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at ru.tehkode.permissions.backends.file.FileConfig.loadFromString(FileConfig.java:68) ~[PermissionsEx-1.23.4.jar:?] at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:226) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:169) ~[craftbukkit-1.8.8.jar:git-Bukkit-e1ebe52] at ru.tehkode.permissions.backends.file.FileConfig.load(FileConfig.java:38) ~[PermissionsEx-1.23.4.jar:?] at ru.tehkode.permissions.backends.file.FileBackend.reload(FileBackend.java:309) ~[PermissionsEx-1.23.4.jar:?] ... 23 more [INFO] [PermissionsEx] Disabling PermissionsEx v1.23.4
There's a spacing issue in your config.yml of PermissionsEX. It says where it's located, which is in line 4.
You can't use the TAB key in yaml You need to use four spaces rather than a tab. I've fixed the errors, here's what you need to copy paste into your file: Code (Text): groups: miembro: options: default: true prefix: '&8&lMiembro' permissions: - essentials.fly - essentials.warp - essentials.warp.list - essentials.warps.* - essentials.tpa - essentials.tpaccept - essentials.tpdeny builder-n: inheritance: - miembro options: default: false prefix: '&6&lBuilder &8&lN' permissions: - modifyworld.* - essentials.fly.safelogin - essentials.gamemode - essentials.gamemode.all - essentials.give - essentials.speed - essentials.speed.fly - essentials.signs.color - essentials.balancetop.exclude - essentials.time - essentials.time.set - multiverse.access.* - essentials.top - worldedit.* - worldguard.* builder-p: inheritance: - miembro - builder-n options: default: false prefix: '&6&lBuilder &3&lP' builder-e: inheritance: - miembro - builder-n - builder-p options: default: false prefix: '&4&lBuilder &5&lE' builder-pf: inheritance: - miembro - builder-n - builder-p - builder-e options: default: false prefix: '&6&lBuilder &2&lPF' manager: inheritance: - miembro - builder-n - builder-p - builder-e - builder-pf options: default: false prefix: '&c&lMANAGER &f|' permissions: - '*' creador: inheritance: - miembro - builder-n - builder-p - builder-e - builder-pf options: default: false prefix: '&4&lCREADOR &f|' permissions: - '*' schema-version: 1