Migration from Groupmanager creates an exeption

[bramboot]

[11:33:52 INFO]: [luckperms-migration-groupmanager] Starting.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Starting global group migration.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 1 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 2 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 3 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 4 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 5 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 6 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 7 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 8 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 9 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 10 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 11 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 12 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 13 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 14 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 15 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 16 groups so far.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 16 global groups
[11:33:52 INFO]: [luckperms-migration-groupmanager] Collecting user and group data.
[11:33:52 INFO]: [luckperms-migration-groupmanager] Querying world world
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 1 groups so far in world world
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 2 groups so far in world world
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 3 groups so far in world world
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 4 groups so far in world world
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 5 groups so far in world world
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 6 groups so far in world world
[11:33:52 INFO]: [luckperms-migration-groupmanager] Migrated 6 groups in world world
[11:33:52 WARN]: [luckperms-migration-groupmanager] Plugin luckperms-migration-groupmanager v1 generated an exception while executing task 176923
java.lang.NoSuchMethodError: 'org.anjocaido.groupmanager.data.UserVariables org.anjocaido.groupmanager.data.User.getVariables()'
at luckperms-migration-groupmanager (1).jar/me.lucko.luckperms.migration.MigrationGroupManager.lambda$runMigration$5(MigrationGroupManager.java:191) ~[luckperms-migration-groupmanager (1).jar:?]
at luckperms-migration-groupmanager (1).jar/me.lucko.luckperms.migration.Iterators.tryIterate(Iterators.java:38) ~[luckperms-migration-groupmanager (1).jar:?]
at luckperms-migration-groupmanager (1).jar/me.lucko.luckperms.migration.MigrationGroupManager.lambda$runMigration$6(MigrationGroupManager.java:159) ~[luckperms-migration-groupmanager (1).jar:?]
at luckperms-migration-groupmanager (1).jar/me.lucko.luckperms.migration.Iterators.tryIterate(Iterators.java:51) ~[luckperms-migration-groupmanager (1).jar:?]
at luckperms-migration-groupmanager (1).jar/me.lucko.luckperms.migration.MigrationGroupManager.runMigration(MigrationGroupManager.java:118) ~[luckperms-migration-groupmanager (1).jar:?]
at luckperms-migration-groupmanager (1).jar/me.lucko.luckperms.migration.MigrationJavaPlugin.lambda$onCommand$0(MigrationJavaPlugin.java:37) ~[luckperms-migration-groupmanager (1).jar:?]
at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:78) ~[paper-1.21.4.jar:1.21.4-226-a838a88]
at org.bukkit.craftbukkit.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57) ~[paper-1.21.4.jar:1.21.4-226-a838a88]
at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[paper-1.21.4.jar:?]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]